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This meta-analysis examined the exercise-mood relationship in older adults. 158 effect sizes (ESs) from 32 studies were grouped into experimental-versus-control, gains, and correlational ESs. Each study was coded for moderator variables related to descriptive, design, participant, exercise, and mood assessment characteristics. Experimental-versus-control ESs for negative (NA) and positive affect (PA) were 0.35 (p < .05) and 0.33 (p >.05), respectively, with an overall ES of 0.34, p < .05. The gains ESs for NA and PA in an exercise group were 0.39 (p < .05) and 0.35 (p < .05), respectively, with an overall ES of 0.38, p < .05. All effects were significantly greater than those for the control groups. Correlational ESs of 0.47 and 0.42 were found for NA and PA, respectively. It was concluded that chronic exercise is associated with improved mood in the elderly. Moderating variables and implications for exercise prescription to improve mood in the elderly are discussed.
Arent, S., Landers, M., et al
The Effects of Exercise on Mood in
Older Adults: A Meta-Analytic
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Arent, S., Landers, M., et al (2000), 'The Effects of Exercise on Mood in Older Adults: A Meta-
Analytic Review.', In The Journal of Aging and Physical Activity, Vol.8, , , , pp.407-430. ISSN:
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The Effects of Exercise on Mood in Older Adults:
A Meta-Analytic Review
Shawn M. Arent, Daniel M. Landers, and Jennifer L. Etnier
This meta-analysis examined the exercise-mood relationship in older adults.
158 effect sizes (ESs) from 32 studies were grouped into experimental-versus-
control, gains, and correlational ESs. Each study was coded for moderator
variables related to descriptive, design, participant, exercise, and mood-
assessment characteristics. Experimental-versus-control ESs for negative (NA)
and positive affect (PA) were 0.35 (p < .05) and 0.33 (p> .05), respectively, with
an overall ES of 0.34, p < .05. The gains ESs for NA and PA in an exercise group
were 0.39 (p < .05) and 0.35 (p < .05), respectively, with an overall ES of 0.38,
p < .05. All effects were significantly greater than those for the control groups.
Correlational ESs of 0.47 and 0.42 were found for NA and PA, respectively. It
was concluded that chronic exercise is associated with improved mood in the
elderly. Moderating variables and implications for exercise prescription to
improve mood in the elderly are discussed.
Key Words: elderly, affect, physical activity
Senior citizens have become the fastest growing segment of our population. In 1880,
less than 3% of the total population was older than 65. By 1980, older adults
constituted almost 12% of the population. There are now more than 36 million
elderly people in the United States, and this number is expected to double by the year
2030. According to current estimates, this would mean that the elderly would
represent 22% of the total population (Hoeger & Hoeger, 1996). The 65-and-over
group is growing twice as fast as the rest of the population. One reason for this trend
is increasing life expectancies. Unfortunately, increased life expectancy does not
necessarily equate to increased quality of life.
One of the central issues raised by increased longevity is that of net gain in
active functional years versus total years of disability and dysfunction. Muscular
strength in most individuals is well maintained until about 45 years of age but then
deteriorates by 5-10% per decade thereafter (Rogers & Evans, 1993). Furthermore,
loss in muscle mass appears to be the major cause of strength decrease in the elderly
(Rogers & Evans). Muscle weakness can compromise everyday activities, leading
to dependence on others to help perform day-to-day tasks and increasing the risk of
injury resulting from falls. One way to potentially offset or rectify many of the health
The authors are with the Department of Exercise Science and Physical Education at
Arizona State University, Tempe, AZ 85287-0404.
408 • Arent, Landers, and Etnier
problems and physical deterioration incurred with aging is through exercise (Cress
et al., 1991; Fiatarone et al., 1990; Frontera, Meredith, O'Reilly, Knuttgen, &
Evans, 1988; Hagberg, Graves, & Limacher, 1989; Kohrt, Malley, & Coggan, 1991;
Makrides, Heigenhauser, & Jones, 1990). Of all age groups, the elderly have the
most to gain by being active because of the effects of exercise on improved body
composition, fitness, longevity, ability to perform personal care activities, and the
management of arthritis or other debilitating conditions. Furthermore, there is
convincing evidence that greater aerobic power, muscle strength, and flexibility
allow the elderly to perform at levels equivalent to people 10-20 years younger,
which often equates to a dramatically improved quality of life.
In addition to declines in physical performance with the passage of time, as
individuals progress beyond 60 years of age there also tends to be an increased
prevalence of mood disturbance (i.e., increased negative affect and decreased
positive affect; Fillingim & Blumenthal, 1993; Pfeiffer, 1977) and decrements in
some cognitive abilities (Botwinick, 1977; Jacewicz & Hartley, 1987; Schaie,
1994). Age-related changes (i.e., physical, mental, and social) often present
challenges to emotional control and stability that exceed those experienced by
younger individuals (Spirduso & Mackie, 1995). Physical deterioration, functional
losses, loss of friends and family, and even retirement provide unique and poten-
tially overwhelming challenges to the older adult. The fact that almost twice as
many individuals over 65 commit suicide each year (Crandall, 1991) might provide
some insight into the ramifications of these "challenges" associated with aging. A
recent study at the University of Washington (Unutzer et al., 1997) found that
elderly individuals with strong depressive symptoms incurred about $5,000 more
in medical costs over 4 years than did elderly adults without depression. Unutzer et
al. attribute increased costs to the possibility that depression in the elderly exacer-
bates other medical problems.
A meta-analysis on the effects of exercise on depression (North, McCullagh,
& Tran, 1990) concluded that exercise can help decrease depression—even in those
who are not initially depressed. North et al. indicated that this effect appears to be
even more pronounced in the elderly, but this population was unfortunately not
included in the final analysis. Similarly, Landers and Petruzzello (1994) conducted
a meta-analysis exploring the effects of physical activity on anxiety. Although
exercise was found to be associated with a reduction in anxiety, the effect of age as
a moderator variable was not specified. Thus, although it is generally agreed that
elderly populations physically respond to exercise in a manner similar to that of
younger populations, it is not as clear whether they respond in a similar fashion
psychologically, especially with regard to changes in mood.
Anxiety and depression are linked in that they are concepts typically included
under the more general rubric of affect, or mood. Other concepts commonly
explored and associated with research on mood include anger, vigor, fatigue,
confusion, pleasantness, and euphoria (Tuson & Sinyor, 1993). Lazarus (1991)
contends that, of these constructs, only anxiety, anger, and euphoria represent true
affect. Lazarus also maintains that the terms mood and affect do not represent the
same thing but, rather, different time periods on the emotional continuum. Mood,
according to Lazarus, represents a transient state, whereas affect represents something
Effects of Exercise on Mood in Older Adults 409
more enduring. In an attempt to remain consistent with the current literature,
however, this study accepts as a precept that the terms mood and affect can be (and
usually are) used interchangeably and that all of these concepts (depression,
anxiety, anger, vigor, fatigue, confusion, pleasantness, and euphoria) can be
included under the rubric of mood. In fact, Gauvin and Brawley (1993) argue for this
approach when examining exercise and mood. They suggest that this might be better
suited to the understanding of the relationship of affect and exercise because the
models that can be derived from it are intended to be broad and encompassing
conceptualizations of affective experience. A model of affect that has a wider focus
is more likely to capture the nature of exercise-induced affect. Gauvin and Brawley
consistently use the words mood and affect interchangeably when referring to the
effects of exercise along a positive-negative dimension.
The terms mood, affect (positive and negative), psychological benefits, and
well-being are often used interchangeably when assessing the effects of exercise on
the elderly (or most other populations, for that matter). Nonetheless, studies differ
greatly on the components and concepts they include under these labels. For
example, in the exercise literature, the phrase psychological benefits often includes
improvements in cognitive functioning or decreases in stress reactivity (Tuson &
Sinyor, 1993). Neither of these concepts is necessarily indicative of improvements
in mood or affect, however. Well-being also tends to be a rather broad term that can
include physical well-being, cognitive functioning, and life satisfaction, in addition
to psychological states commonly associated with affect and mood (Tuson &
Sinyor). Although affect does appear to be interchangeable with mood in most of the
exercise literature, this might not always be the case when referring to psychological
benefits or well-being. Therefore, if it is concluded that an exercise treatment did not
produce psychological benefits or changes in well-being, this might or might not
indicate failure to produce a change in mood state, depending on the constructs
included under psychological benefits or well-being.
There have been inconsistencies in the literature reviews regarding the
efficacy of exercise for improving mood in the elderly. Although there have been
some narrative reviews that have espoused the beneficial effects of exercise on
mood in the elderly (Crase & Rosato, 1979; Johnson-Pawlson & Koshes, 1985;
Shephard, 1984, 1990), there have been others that have presented a less conclusive
view of this effect (Brown, 1992; Fillingim & Blumenthal, 1993; Netz & Jacob,
1994). Part of the problem might stem from the aforementioned inconsistencies in
regard to which constructs the reviewers thought comprised the term mood.
Differences in the conclusions reached by the reviewers might also be
attributed to inherent shortcomings of narrative reviews. Narrative reviews are
relatively subjective assessments of the current literature and rely on the "vote-
count" method to determine the presence or absence of an effect. They typically do
not include all available studies from a given area of research but, rather, those
studies the author believes fit well within the intended discussion. Methods are
typically subjective and unreported, leaving a problem of replicability. Narrative
reviews are limited by both the studies chosen and the limitations inherent to those
studies. These reviews typically depend on significant or nonsignificant findings,
rather than on the magnitude of a potential effect. Furthermore, there are numerous
410 • Arent, Landers, and Etnier
differences among studies specifically examining the effects of exercise on mood
in the elderly that would limit a traditional review's ability to assess these variables'
moderating effects on the findings. Some of these differences include (a) differ-
ences in measures of mood employed, (b) differences in exercise protocols
(including type, duration, intensity, and frequency), (c) differences in participants'
preexercise fitness levels, (d) differences in study design (i.e., random assignment,
presence of control groups, etc.), (e) differences in the components of mood
assessed, and (f) differences between acute exercise and chronic exercise. Fortu-
nately, there is a method whereby the reviewer can objectively assess how design
characteristics influence effect size through classification of findings by moderator
A meta-analysis (Glass, 1977) can provide what the traditional narrative
review is typically incapable of—a statistically objective, replicable, comprehen-
sive analysis of the effect that an independent variable has on a dependent variable.
In order to do this, the results of all available studies (published and unpublished)
are quantified to a standard metric, the effect size (ES), that then allows the
researcher to use statistical techniques as a means of analysis. Also, by combining
participants across studies, one is able to greatly increase the statistical power of the
analysis. The lack of statistical power is common to behavioral science research
because of the relatively low numbers of participants combined with large numbers
of variables (Cohen, 1988). The increased power available through meta-analytic
techniques often allows the reviewer to detect small, but significant, trends not
detected in single studies or narrative reviews. Essentially, a meta-analysis allows
determination of the magnitude of an effect.
As previously stated, related meta-analyses (Landers & Petruzzello, 1994;
North et al., 1990) have failed to examine the influence of age (particularly "old
age") as a moderating variable in the exercise-mood relationship. Considering that
the elderly often experience challenges to emotional control above and beyond
those typically experienced by younger adults (Spirduso & Mackie, 1995), and that
North et al. have suggested that the effects of exercise on depression appear to be
even more pronounced in the elderly, it is beneficial to devote a meta-analysis to
examining the impact of exercise on mood in this previously overlooked population.
It is logical, particularly when taking into account the physical and psychological
decrements that often accompany aging, to assume that exercise might be even more
important for mood improvement in the elderly than it is in younger populations.
Relying on the current reviews, however, does not allow for assessing the accuracy
of this statement. This study will improve and extend the information provided by
existing reviews. The primary purpose of the study was to use meta-analytic
techniques to test several hypotheses.
Hypothesis 1
Exercise (cardiovascular, resistance training, or a combination of the two) improves
mood (both positive and negative) in the elderly relative to a control condition
(Crase & Rosato, 1979; Johnson-Pawlson & Koshes, 1985; Shephard, 1984, 1990).
A number of hypotheses based on study characteristics that could potentially
moderate the effects of exercise on mood are also examined.
Effects of Exercise on Mood in Older Adults 411
Hypothesis 2
Studies with longer training protocols produce the greatest improvements in mood.
North et al. (1990) found the greatest effect on depression in studies employing a
protocol longer than 15 weeks. In addition, although the elderly respond to training
in a fashion similar to that of a younger population, the magnitude of the response
is often lower, and more time is required to achieve greater fitness improvements
(Shephard, 1984, 1990).
Hypothesis 3
Studies using participants with the poorest initial health status produce the largest
effect sizes. It is assumed that these individuals have the most to gain from the
training and, as such, have the most room for improvement (law of initial values).
Additionally, Hatfield, Goldfaib, Sforzo, and Flynn (1987) suggested that absence
of improvements in mood might be the result of including elderly participants with
initially high fitness/health levels or positive mood scores.
Hypothesis 4
Studies reporting significant fitness gains are associated with the largest effect sizes.
This is based on the cardiovascular-fitness hypothesis, which contends that physi-
ological improvements provide the underlying mechanism for psychological changes
with exercise. Therefore, a greater physiological improvement is expected to
coincide with a greater psychological improvement.
Studies were included in the analysis if they investigated the effects of physical
activity or exercise on some construct of mood in older adults. Based on the
information provided in each study, the activity or exercise was classified as either
cardiovascular exercise, resistance training, or a combination of these. This classi-
fication process, particularly for studies examining "physical activity," was based
on activities (and activity groupings) described by the American College of Sports
Medicine (1995) in their exercise prescription guidelines. Although classifying
activities such as gardening and housework was not an issue for the experimental
studies (none examined these types of activity), a fourth classification level termed
"unspecified physical activity" was added for the correlational studies, some of
which examined a broader or less defined classification of physical activity. For the
purposes of this analysis, at least one of the following three conditions must also
have been met to satisfy the definition of older adults: (a) The mean age of the study
sample was >65 years; (b) there must have been at least one exercising group with
a mean age >65 years; or (c) if mean ages were not provided, the age range of
exercise participants must have had a lower bound of at least 60 years. These
412 • Arent, Landers, and Etnier
parameters were established based on the societal definition of elderly (>65 years
of age) and from age ranges or mean ages included in studies that used samples from
senior centers or nursing homes.
All English-language studies meeting these criteria and available before
March 1998 that cou ld be lo cated were included. Most of the studies were identified
through computer searches of PsycLit, ERIC, SPORTDiscus, Dissertation Ab-
stracts, HealthStar, and MedLine. Key terms used in the searches focused on
exercise (e.g., strength training, aerobic, physical activity), participant classifica-
tion (e.g., elderly, older adults), and mood adjectives (e.g., mood, depression,
happiness). A complete listing of key terms is available from the primary author.
Cross-checking of references in the related literature and hand searches of Psycho-
logical Abstracts and Social Science Citation Index, as well as of relevant journals
in the areas of gerontology, psychology, and exercise science, were also used to
ensure an exhaustive literature search.
The literature search initially identified over 100 potentially useful studies.
On review, 36 of these studies met the necessary criteria for inclusion. Of these, four
were excluded from the analysis because of insufficient data to calculate ESs. The
remaining 32 studies were included in the analysis. Three databases were con-
structed using these 32 studies, and they were analyzed independently. This was
done in order to include correlational studies, studies that did not use a control group
for comparison, and studies that used groups that were not equivalent at pretest on
the dependent variable of interest. This was also done in order to include all possible
comparisons while attempting to minimize violations of the assumption of indepen-
dence. Although this procedure might not have completely ruled out this violation,
it was considered to be superior to the other alternatives—picking one representa-
tive ES for each study or combining all ESs for a study into one average ES. In either
of the latter cases, potentially useful information could have been lost. Instead, a
total of 168 ESs for the 32 studies were calculated. These were then divided into ESs
from exp erimental-versus-control-group comparisons (n = 61), gains ESs (pre-post
comparisons, n = 83), and correlational ESs (n = 24).
In this meta-analysis, Hedges's g was the ES measure of choice. Hedges's (1981)
formula for computing this ES is
In the case of gains ESs, ME- MC becomes Mpost - Mpre. If the necessary means
and standard deviations were not available, ES was calculated using F, t, r, or p
values if available, as outlined by Rosenthal (1994). ESs were corrected for positive
bias resulting from small sample sizes (Hedges & Olkin, 1985) and were weighted
by the inverse of the variance (Hedges & Olkin).
Effects of Exercise on Mood in Older Adults 413
A negative ES for studies assessing negative affect would indicate a relative
improvement (i.e., lower scores would be better). In order to evaluate the effect of
exercise on global mood, improvements in mood were reflected by positive ESs. To
keep ES direction consistent across negative and positive affect, negative-affect ESs
were multiplied by - 1 . As a result, any improvement in mood was reflected by
positive ES values. Average ESs were calculated as outlined by Hedges and Olkin
The included studies were coded for a number of characteristics based on a priori
decisions regarding potential moderator variables for the exercise-mood relation-
ship in the elderly. These characteristics were classified as design and descriptive
characteristics, participant characteristics, exercise characteristics, and mood-
assessment characteristics. Separate forms were used for each of the three databases
(experimental-vs.-control ES, gains ES, or correlational ES). Moderator variables
were identified through the previous related meta-analyses (Landers & Petruzzello,
1994; North et al., 1990) and suggestions made by authors in the gerontology
Design and Descriptive Characteristics. Glass, McGaw, and Smith (1981)
have argued that studies should not be excluded from re view based on methodologi-
cal rigor. Instead, they argue for examining study design issues in an a posteriori
fashion. Studies were coded for information regarding publication status (published
vs. unpublished) and comparison-group activity (for experimental-vs.-control ES
only). Studies were also coded for number of threats to internal validity based on the
description of threats by Campbell & Stanley (1963).
Participant Characteristics. Studies were coded for health status and fitness
level of the participants before treatment. This information was based on the
assessment of the author(s) of each study and/or on demographic and fitness-
assessment data. These data were then compared with standards established by the
American College of Sports Medicine (1995). In addition, experimental-versus-
control-ES studies were coded for equivalency of treatment, and control groups, on
the dependent variable of interest (mood) at pretest. This latter characteristic was
determined through t tests of the pretest means if equivalency had not been
evaluated by the author of each study.
Exercise Characteristics. Because exercise was the independent variable of
interest, a number of potential moderating characteristics were identified from the
available literature and previous meta-analyses. Studies were coded for exercise
type (or treatment type in general for gains-ES analysis), exercise paradigm (acute
vs. chronic), frequency of exercise, time per session, weeks of participation, and
intensity of exercise. In order of preference, intensity categories were determined
from (a) American College of Sports Medicine (1995) definitions, (b) National
Strength and Conditioning Association (Baechle, 1994) definitions, or (c) classifi-
cation by individual study authors. In addition, significance of cardiovascular-
fitness improvement was coded based on information provided in individual studies
regarding significantly increased VO2max (or predicted VO2max). In the rare cases that
this information was not provided, categorization was based on significant de-
creases in resting heart rate or significant improvements in resting blood pressure.
414 • Arent, Landers, and Etnier
Mood-Assessment Characteristics. Each study was coded for assessment of
positive and/or negative affect. Improvement in positive affect was defined as an
increase in score for a particular scale on which a higher score would be considered
"better." Likewise, improvement in negative affect was defined as a decrease in
score for a particular scale on which a lower score would be considered better. These
dimensions of affect were identified as described by Watson and Tellegen (1985)
in their two-factor structure of affect.
The primary author coded all studies. Orwin (1994) has suggested that, when this
is the case, potential coder drift should be assessed. This process involved selecting
10 of the coded studies at random and recoding them. A per-case agreement rate
(number of variables coded the same divided by the total number of variables coded)
was calculated for each study. A mean agreement rate of .90 was required to be
considered acceptable.
Separate analyses were conducted for each of the three categories of ES. After
calculating the ESs for each study, overall ESs were calculated for experimental-
versus-control-ES, gains-ES, and correlational-ES data. Average ESs were also
calculated for each level of the moderator variables. Tests for homogeneity were
conducted. This procedure is similar to an ANOVA in that the total variance (QT)
can be partitioned into between (QB) and within (QW) variance (Hedges & Olkin,
1985). These analyses allow the researcher to determine whether or not all the ESs
are derived from a homogeneous sample. If the sample is heterogeneous, one can
then use the test of homogeneity to determine which moderators are potentially
accounting for differences in ES.
QT is tested against a critical value of a X2 distribution (df= number of ES -
1) to determine whether all ESs are homogeneous. If QT is not significant, the ESs
are assumed to be homogeneous, and, except for testing a priori hypotheses,
analysis stops. If Q
T is significant, however, this indicates that the ESs are
heterogeneous. If this is the case, moderator-variable effects are examined by
comparing the appropriate QB to a corresponding critical value of a X2 distribution
(df = number of levels of the moderator variable - 1). In the event that Q
B is
significant, the particular moderator variable contributes to differences among ESs.
In this case, confidence intervals are computed to test whether or not average ESs
at each level are significantly different from zero. In addition, follow-up tests are
conducted to determine differences between the levels of each significant modera-
tor variable. These contrast procedures for fixed-effects models are outlined by
Hedges and Olkin (1985). Within each moderator category, only moderator levels
with at least five effect sizes were included in the analyses in order to improve
interpretability and stability of results. If Q H is significant, QW can be tested (using
df = number of ESs - number of levels of the corresponding moderator) to determine
the homogeneity within the levels of the moderating variable. A significant Q
simply implies that there are different groups of ESs within the levels of the
Effects of Exercise on Mood in Older Adults 415
moderator variable of interest. In this case, interactions among variables can be
Because of the lack of information needed to calculate ES variances within the
correlational studies, one-way ANOVAs were used to test moderator variables if the
ESs demonstrated a normal distribution (Wolf, 1986). Significant omnibus F values
were further examined using Scheffé post hoc tests, as has been done in previous
meta-analyses (Etnier et al., 1997; Petruzzello, Landers, Hatfield, Kubitz, &
Salazar, 1991). Confidence intervals were used to test whether ESs were different
from zero. As with the other two data sets, only moderator levels with at least five
effect sizes were included in the analysis.
The assessment of coder drift using per-case agreement rate (Orwin, 1994)
indicated that reliability was acceptable. The mean agreement rate for the 10
randomly selected studies was .98. Agreement rates ranged from .94 to 1.00. Results
for each grouping of ESs are presented separately.
The overall mean ES for mood, based on a total of 61 ESs, was 0.24 (SD = 0.50),
which was significantly greater than zero. The test of homogeneity was also
significant, QT(60) = 114.10, p < .001, warranting further examination of potential
moderator variables. Before continuing, however, the effect of nonequivalence on
the dependent variable (mood) at pretest was assessed. The QB value was signifi-
cant, QB(2) = 29.38, p < .001. Studies using a comparison group that had initially
better mood at pretest were associated with an average ES of -0.34 (SD = 0.25, p <
.05, n = 10). Because one of the basic assumptions of comparing groups in
experimental research at posttest is that they are equivalent on the dependent
variable of interest at pretest, these ESs (n = 10) were remove d from further analy sis.
It was determined that a negative effect of this magnitude could significantly
confound moderator-variable conclusions and was not representative of the overall
effect. This removal, however, did not affect inclusion in gains-ES analysis, as
nonequivalence was effectively controlled for because of the pre/post nature of the
comparisons. The overall mean ES for mood was recalculated based on the
remaining 51 ESs and was found to be 0.34 (SD = 0.45, p < .05). This indicates that
global mood improved 0.34 of a standard deviation with exercise, thus supporting
Hypothesis 1. QT was recalculated and was still found to be significant, QT(50) =
80.76, p < .005. A total of 7 out of 10 moderator variables had a QB value significant
at the p < .05 level. All moderator variables, their Q B values, significance lev els, and
corresponding ESs are summarized in Table 1. Significant moderator variables are
examined next in greater detail.
Design and Descriptive Characteristics. Of the design and descriptive charac-
teristics coded, only comparison-group activity had a significant QB value.
Use of a no-treatment comparison group, motivational comparison group, or
a flexibility/yoga comparison group produced average ESs significantly different
from zero. Use of a motivational control group was associated with the largest
Moderator variable
df level ES SD n p
Design and Descriptive Characteristics
Publication status
Comparison-group activity
no treatmenta
Exercise Characteristics
Type of exercise
resistance training
<3 day/weeka
>3 day/weekb
Time per session
35-45 minb
>45 minc
Weeks of participation
1-6 weeksa
7-12 weeksa
>12 weeksb
Intensity of exercise
Exercise-group fitness increase
not reporteda
p < .005
p < .005
p < .025
416 • Arent, Landers, and Etnier
Table 1 Homogeneity Tests (QB) and Post Hoc Analyses for Moderator
Variables: Experimental-Versus-Control ES
Effects of Exercise on Mood in Older Adults 417
Table 1 (continued)
Note: Variables that do not share at least one common superscript differ significantly at
p < .05. n.s. = nonsignificant.
*Differ from zero at p < .05
effect, but use of a no-treatment group was still associated with a larger effect than
were comparison groups doing flexibility/yoga training or exercise differing in
intensity and/or type from the experimental exercise group. The latter two were not
different from each other.
Exercise Characteristics. The Q B value was significant for 6 of the 7 modera -
tor variables describing exercise characteristics: frequency of exercise, time per
session, weeks of participation, intensity of exercise, exercise-group fitness in-
crease, and comparison-group fitness increase.
The largest average ES for frequency of exercise was related to the studies in
which participants exercised <3 days per week. This effect was significantly
different from zero. It was also significantly different from the average ES
associated with exercising >3 clays per week (which was also significantly different
from zero).
Surprisingly, the largest average effect for time per session was associated
with exercise bouts that were self-selected and thus variable in duration. Exercise
bouts in which time was controlled and of a sufficient duration to potentially
produce cardiovascular benefit (i.e., 35-45 min) were not significantly different
from zero. The exception was exercise that lasted >45 min, which was significant.
All levels of weeks of participation were associated with ESs significantly
greater than ze ro. The l argest average ESs were associated with 1 - to 6- and 7- to 12-
week protocols, which were not different from each other but were both signifi-
cantly greater than protocols lasting longer than 12 weeks. This result does not
provide support for Hypothesis 2 and might indicate one way in which elderly
participants respond differently than do younger participants to exercise.
Moderator variable
ES SD n p
Exercise Characteristics (continued)
Comparison-group fitness increase
not reported
10.84 2
Mood-Assessment Characteristics
Mood assessed
positive affect
negative affect
418 • Arent, Landers, and Etnier
Intensity of exercise was also found to be a significant moderator variable. All
levels were found to be significantly different from zero, but the average effect
associated with low-intensity exercise was significantly greater than that associated
with either medium or high intensities. The latter two did not differ from each other.
Although a significant Q W value, Q W (48)= 73.38, p < .025, was observed, a detailed
analysis of an Intensity x Exercise-Type interaction was not feasible because of the
small number of ESs constituting a number of the cells of the interaction.
The presence or absence of an exercise-group fitness increase was a signifi-
cant moderating variable, and all levels were significantly different from zero.
Surprisingly, studies that reported no fitness increase were associated with a larger
ES than were studies reporting a fitness increase. This would appear to contradict
Hypothesis 4. However, there was also a large effect associated with studies that did
not report changes in fitness altogether. This might confound the conclusions
somewhat, because it is impossible to determine under which classification these
nine ESs might actually fit.
The presence or absence of a comparison-group fitness increase was also a
significant moderator. Significant effects were associated with studies in which a
fitness increase was not reported or it was found that there was no fitness increase
in the comparison group. A fitness increase in the comparison group produced a
negative average effect but was not significant. This finding provides some indirect
support for Hypothesis 4, because the smallest difference in mood between the
treatment and comparison groups occurred when there was an increase in fitness in
the comparison group. In studies in which there was not an increase in fitness in the
comparison group, the treatment group had a relative improvement in mood.
Mood-Assessment Characteristics. Type of mood assessed (PA or NA) was
not associated with a significant QB value. This would indicate that both PA and NA
were equally improved with exercise, because both levels are significantly different
from zero. This provides further support for Hypothesis 1.
Although the homogeneity value was relatively large, it failed to reach significance,
QT(82) = 98.77, p > .05. Therefore, only moderator variables related to a priori
hypotheses were examined. These moderators are summarized in Table 2. Average
global-mood ESs were first determined for all exercise groups versus all control
conditions. The average ES for global mood in exercisers was 0.38. The average ES
for global mood in control groups was 0.06. The average ES for global mood was
significantly greater in exercisers than in control groups, p < .001; Hypothesis 1 was
thus supported. To further analyze these predicted differences between exercisers
and controls, differences in positive and negative affect were assessed. Type of
mood (PA vs. NA) was broken down by group (exercise vs. control). Exercise was
associated with an average ES of 0.35 (SD = 0.43, n = 12, p < .05) for positive affect
and an average ES of 0.39 (SD = 0.41, n = 38, p < .05) for negative affect. These
values were not different from each other (p < .05), thus providing further support
for Hypothesis 1. The corresponding ESs for PA and NA in controls were 0.16 (SD
= 0.25, n = 5,p< .05) and 0.04 (SD = 0.24, n = 28, p > .05), respectively. Using gains
scores, exercise was associated with an average improvement in mood (both
Effects of Exercise on Mood in Older Adults 419
Table 2 Homogeneity Tests (QB) and Moderator Variable Summaries:
Gains ES
Note: Because of a nonsignificant Q
T statistic, comparisons between group levels were
conducted only for those variables related to a priori hypotheses. Variables that do not
share at least one common superscript differ significantly at p < .05. n.s. = nonsignificant.
*Differ from zero at p < .05.
A priori
moderator variable
Activity grouping
Type of activity
no activitya
motivational controla
cardiovascular exerciseb
resistance trainingc
mixed (cardiovascular
+ resistance)b
no HR increasea
Weeks of participation
0 weeks (acute)a
1-6 weeksa
7-12 weeksc
>12 weeksa
Initial health status
not reported
healthy + active
healthy + sedentary
mixed (diseased
+ healthy/sedentary)
Fitness increase
not reporteda
p < .001
p < .001
p< .01
p < .001
420 Arent, Landers, and Etnier
positive and negative affect) in the elderly equal to almost two fifths of a standard
deviation. This would be considered at least a moderate effect.
Type of activity was examined in order to determine whether type of exercise
was associated with different ESs. Type of activity was significant and was further
differentiated for comparisons of individual levels. Cardiovascular exercise,
resistance-training exercise, and mixed (cardiovascular + resistance training) exer-
cise were all associated with effects significantly different from zero. Resistance
training produced significantly better effects than all other types of activity. Yoga/
flexibility, motivational control groups, and no-treatment controls had average ESs
that were not different from each other or from zero. Taken as a whole, Hypothesis
1 appears to be supported, because the exercise groups produced the largest ESs
when contrasted with the activities associated with the comparison groups.
The effects of exercise intensity on mood in the elderly were also evaluated.
High, medium, and low intensities were all significantly different from zero but not
from each other. Only non-heart-rate-increasing activities failed to reach signifi-
cance. It appears that the significance of intensity is a result of the difference
between nonexercise activities and exercise. There was also a significant effect for
weeks of participation. Acute studies were not associated with effects different from
zero. Although studies lasting longer than 12 weeks were not different from the
acute studies, they were associated with an effect different from zero. Training
protocols lasting 1-6 or 7-12 weeks were different from zero and from each other
(as well as from the acute and >12-week studies), with protocols of 1-6 weeks being
associated with the largest effects. Based on these results, Hypothesis 2 does not
appear to be supported. Although significant improvements in mood are seen for
some of the more lengthy participation periods, there are also obvious benefits
derived from shorter studies. A nonsignificant QW value prevented further analysis
of interactions.
Initial health status was examined in order to test Hypothesis 3, but this was
not a significant moderator variable. All levels were associated with effects
significantly different from zero. Most of the ESs came from studies using healthy/
sedentary or mixed populations. The mixed samples were composed of healthy/
sedentary individuals and diseased individuals. Exercise was associated with
significantly improved mood across all levels of initial health status.
Hypothesis 4 received considerable support based on the significance of a
cardiovascular-fitness variable. Although all levels were significantly different
from zero, studies in whic h a cardiovascular-fitness increase was reported were
associated with a significantly larger average ES than were studies with no fitness
increase or studies not reporting fitness increases. This would suggest that mood
improvement in the elderly might be moderated by physiological improvement.
The overall mean ES for correlational studies was 0.46 (SD = 0.27, n = 24, p< .05),
indicating that mood is better in elderly individuals who participate in physical
activity/exercise than in those who do not. This result is consistent with the
magnitude of the effects seen for experimental-versus-control ESs and gains ESs.
The large effect was seen for both positive (ES = 0.42, SD = 0.38, n=6, p< .05) and
negative (ES = 0.47, SD = 0.24, n = 18, p < .05) affect across all forms of physical
Effects of Exercise on Mood in Older Adults 421
activity. Further analysis of types of activity was not feasible because of the small
number of ESs contributing to a number of the levels of this moderator variable. A
plot of the means revealed that these ESs were distributed normally, allowing
further analysis of moderator variables by way of the omnibus F test and contrasts.
The only moderator variable that had sufficient numbers of ESs in all levels to
warrant testing, however, was publication status, which was not a significant
moderator, F (1,22) = .239, p > .05. Both published (ES = 0.48, SD = 0.19, n = 13)
and unpublished (ES = 0.43, SD = 0.35, n = 11) studies were significantly different
from zero but not different from each other. Although the small number of
contributing correlational studies does not lend itself to in-depth analysis, the
overall results appear to provide support for the conclusions reached with the
experimental-versus-control ESs and gains ESs.
The results of this meta-analysis indicate that, overall, exercise is associated with
improved mood in the elderly, thus supporting the main hypothesis. In studies
comparing an exercise group with some form of a control group, exercise is related
to enhanced mood. This improvement is almost two fifths of a standard deviation,
ES=0.34, and appears to be the result of equivalent improvements in both negative
and positive affect, ES = 0.35 and 0.33, respectively. In studies comparing pre- to
posttest changes in mood, exercise is also associated with improved mood in the
elderly. Again, this improvement is almost two fifths of a standard deviation, ES =
0.38, and the effect appears to be relatively equivalent for both positive and negative
affect, ES = 0.35 and 0.39, respectively. Correlational studies also support these
results. Physically active elderly individuals appear to have an enhanced global
mood in comparison with physically inactive elderly individuals. This difference is
almost one half of a standard deviation, ES = 0.48. Taken as a whole, the results are
remarkably consistent across ES groupings and provide considerable support for the
beneficial effects of exercise on mood in the elderly.
These results are consistent with the conclusions of a narrative and two meta-
analytic reviews examining the effects of exercise as an alternative treatment for
anxiety and depression among younger and older adults (Landers & Petruzzello,
1994; Moore & Blumenthal, 1998; North et al., 1990). The magnitude of the overall
effects found in the present study is in the range of findings in other meta-analyses
that have examined the effects of exercise on depression (North et al.) and anxiety
(Landers & Petruzzello) in younger adults. Although Moore and Blumenthal's
narrative review with older adults focused on a specific construct included under
mood (i.e., depression) and on primarily aerobic exercise, the overall conclusions
support the role of exercise in reducing negative affect. As with any literature
review, however, the conclusions reached by Moore and Blumenthal and by this
meta-analysis are somewhat limited by the methodological problems inherent to the
included studies.
In particular, this meta-analysis has identified a number of concerns associ-
ated with this area of research. The first concern is the number of studies that
included groups that were not equivalent on mood at pretest. Comparisons with
control groups that were initially better at pretest produced deceptively large
422 Arent, Landers, and Etnier
negative ESs that did not appear representative of the effect in general. By using
gains scores as a measure of magnitude rather than experimental-control compari-
sons, nonequivalence is effectively removed. In the experimental-versus-control
data set, the average ES obtained once comparison groups that were better at pretest
were removed from further analysis (ES = 0.34) was almost identical to that
obtained for exercise groups using gains scores (ES=0.38). This effect was actually
reversed (ES = -0.34) in studies using comparison groups that had better mood
scores at pretest. The effect of nonequivalence of mood scores at pretest alone might
help explain why there are so many inconsistencies in narrative reviews and why the
use of meta-analytic techniques can help clarify and identify these effects.
Another area of concern is the lack of studies examining the effects of exercise
on positive affect in the elderly. Although the effect of exercise on PA was
equivalent to that seen for NA, the number of ESs on which these conclusions are
based were quite discrepant. Only six ESs were derived from studies examining PA
for experimental-versus-control-ES analysis, compared with the 45 ESs for NA.
Gains-ES analysis for PA was based on only 17 ESs, compared with the 66 for NA.
The research focus appears to be on reducing bad mood rather than increasing good
mood. Although it might seem to be a semantic issue, exercise might be much more
appealing to the elderly if they were told it could make them feel "good" rather than
simply "less poorly."
In addition to using moderator variables to identify sources of concern in the
literature, examining certain moderator variables can also provide some insight into
potential mechanisms driving the exercise-mood relationship. Exercise type is one
such variable. In the two previous related meta-analyses, resistance training was
sometimes associated with improvements in mood (North et al., 1990), and at other
times it was associated with no improvements in mood (Landers & Petruzzello,
1994). In the present meta-analysis with older adults, the experimental-versus-
control and gains-score analyses revealed larger ESs for resistance training than for
cardiovascular exercise. The average gains ES for resistance training was particu-
larly large (0.80) and was considered more representative than the experimental-
versus-control ES. The latter ES was influenced by the type of control group
employed, which often consisted of a treatment that would also improve, thereby
minimizing the difference between groups. With the gains ES the comparisons were
pre-post comparisons within the same group of participants and thus better
reflected the effect of the treatment. The average effects associated with mixed
(cardiovascular + resistance training) exercise also support the influence of resis-
tance training over that of cardiovascular training alone. These results are not
surprising when one considers how physically and functionally beneficial strength
training is for an elderly population.
A decline in mood might well be expected to accompany the age-related loss
of functional abilities caused by deterioration of muscle mass and strength. Strength
training might provide the necessary stimulus to improve daily functioning. As seen
in previous studies (Cress et al, 1991; Fiatarone et al., 1990; Frontera et al., 1988),
the elderly obviously respond well physically to resistance training. Psychological
improvements might coincide with these physical improvements. The other possi-
bility is that weight training increases self-efficacy and self-confidence through a
series of graded mastery experiences. This graded mastery, in turn, might allow for
more effective coping, which could lead to improved mood.
Effects of Exercise on Mood in Older Adults 423
Social-cognitive theory (Bandura, 1986) contends that perceptions of en-
hanced capabilities lead to increases in positive affect, and mastery has been
identified as one possible mechanism that could explain the exercise-mental health
relationship. There is considerable evidence to suggest that self-efficacy is related
to affective responses associated with exercise (McAuley, 1991; McAuley, Bane,
& Mihalko, 1995; McAuley & Coumeya, 1992). Furthermore, the use of physical
activity as a mastery experience that leads to increased self-efficacy has been
demonstrated in older adults (McAuley, Courneya, & Lettunich, 1991; McAuley,
Lox, & Duncan, 1993). Ewart, Stewart, Gillilan, and Kelemen (1986) examined the
usefulness of adding weight training to a walking/jogging exercise program for
elderly coronary artery disease patients. Results indicated that arm- and leg-strength
efficacy was enhanced in the weight-training group, a finding that might be
particularly important in light of the functional relevance of these abilities for the
elderly. It is important to acknowledge the potential benefits of strength training (in
addition to cardiovascular training) for the elderly and to increase the pool of studies
employing this form of exercise. It is obviously a viable form of exercise for this
population, but this area is severely lacking in well-developed psychological studies
including it in their protocols.
In addition to the psychologically oriented social-cognitive theory, a physi-
ologically oriented hypothesis has also been suggested as an explanation for the
exercise-mood relationship. This hypothesis, known as the monoamine hypothesis
(Morgan & 0' Connor, 1988), posits that neurotransmitters in the brain (which have
been linked to depression, anxiety, and other mood constructs) are changed by both
acute and chronic exercise. Most of the research examining this hypothesis,
however, has focused on acute bouts of aerobic exercise and younger participants.
Considering the lack of effect for a single acute bout of exercise (and the larger
effects seen for resistance training) in this study, the monoamine hypothesis might
not be the most plausible explanation for the exercise-mood relationship seen in the
elderly. Further research into this potential mechanism is needed.
It also does not appear that the distraction hypothesis is supported. The
distraction hypothesis posits that exercise acts as a "time-out" from daily stressful
events. A caveat to this is that exercise should not produce greater effects than do
control conditions that conceivably also produce such a time-out. As found in this
study, however, improvements in mood for motivational control groups and yoga/
flexibility were associated with mean ESs that were significantly lower (and not
different from zero) than those for exercise (cardiovascular, resistance training, or
In addition to providing a means of assessing proposed mechanisms, modera-
tor variables can also be used to examine contentions made by other authors.
Brown's (1992) contention that the lack of significant findings for mood effects
with exercise in the elderly is a result of insufficient training intensity was not
supported by the current findings. In fact, the greatest improvements in mood were
associated with the lowest intensity of exercise when analyzing the results for the
experimental-versus-control ESs. Even when looking at pre-post comparisons
(gains ES), all levels of intensity were at least equivalent. It might be that some of
these samples of elderly individuals were in such an unfit condition that even low-
intensity exercise produced perceived fitness gains. The effect of intensity on mood
might also be influenced by the type of exercise. The influence of exercise intensity
424 • Arent, Landers, and Etnier
on mood in the elderly obviously deserves further exploration, especially with
studies that control for potentially confounding variables (e.g., duration, initial
fitness levels, exercise type).
The findings for the effects of study duration (i.e., number of weeks) were not
consistent with those found by North et al. (1990). In that meta-analysis, which did
not include elderly participants, reductions in depression were larger for studies
using training protocols longer than 15 weeks. The present analysis found that
improved mood was not necessarily related to increased number of weeks of
participation. In general, the effects appeared to be rather equally distributed across
levels of weeks of participation for chronic exercise. This would appear to provide
little support for Hypothesis 2. Nonetheless, future research should examine
whether these findings, as well as those for intensity, interact with initial fitness
levels (McAuley, Mihalko, & Bane, 1996). One potential confound that is often
encountered when trying to determine the effects of chronic exercise (particularly
on mood states) is the impact of the most recent bout of acute activity. Although it
is possible that improvements in mood were the result of an acute bout of exercise
before posttest rather than the result of changes that took place with chronic activity,
this possibility is made less plausible in light of the fact that the effect size for acute
exercise was small (ES=0.06) and nonsignificant. Although the potential influence
of an acute bout cannot be ignored, the results do not point to this as the most likely
explanation for the changes in affect.
Dunn and Blair (1997) suggest a number of criteria for evaluating scientific
literature for public policy decisions. These criteria include consistency, whether
the study is sequenced appropriately, whether the results are plausible and coherent,
the strength of relation in terms of relative risk, and whether there is a biological
gradient. In terms of this meta-analysis, the findings that are relevant to these criteria
are as follows: (a) 82% of the effect sizes were in the predicted direction, demon-
strating that exercise is related to improvements in mood; (b) 78% of the effect sizes
from the experimental studies were in the positive direction, supporting the
predicted sequencing that exercise preceded the improvements in mood; (c)
findings suggest that plausible mechanisms might include graded mastery experi-
ences and/or improvements in self-efficacy, as well as fitness improvements being
implicated as having at least some role; and (d) considering the magnitude of the
effects found, risk of exercise appears relatively small—only one study reported any
exercise dropouts because of injury. Taken as a whole, this meta-analysis demon-
strates at least the consistent findings, the appropriate cause-and-effect sequencing,
the plausible and coherent results, and the minimal risk needed to justify making
conclusions concerning public policy.
Evidence for a biological gradient, though, is less conclusive because of the
nature of the findings for the role of fitness improvements. That is, there was not
absolute agreement across the ES groupings concerning the importance of a fitness
improvement for mood improvements. However, this may beg an important
question: Are we examining the most important aspects of fitness improvements in
this particular population? The most accepted means of determining a fitness
improvement has historically been to assess VO2max changes. This practice unfor-
tunately ignores a relatively important (but often overlooked) component of fitness
that might be of greater functional importance to the elderly—strength. Future
Effects of Exercise on Mood in Older Adults 425
studies should take this into consideration when determining which measures might
be the most useful and meaningful indicators of a fitness improvement in an aged
population. Furthermore, future research must examine these effects while making
a concerted effort to better assess the impact of exercise dose-response issues, such
as exercise intensity and duration, on mood improvements in the elderly.
Based on these findings, it is apparent that exercise is associated with significant
pre- to posttreatment improvements in mood in the elderly, especially when
compared with a no-treatment control, motivational control, or yoga/flexibility
condition. Based on the significant contribution of variables such as fitness im-
provements, low initial fitness levels, and frequency of exercise, it would appear
that these mood improvements are the result (at least somewhat) of physiological
improvements resulting from exercise. The lack of significance (at least in the
predicted "physiologically better" direction) of variables such as intensity of ex-
ercise and weeks of training, however, indicates that these effects might be caused
by much more than this. It might very well be that it is the combination of the graded
mastery experience provided by exercise and the objective physiological improve-
ments that causes mood enhancement in the elderly.
"Mood-improving" effects are seen for all types of exercise—particularly
resistance training—if examining pre- to posttest changes in mood. The most
consistent improvements in mood also appear to be associated with exercise done
fewer than 3 days per week, exercise done for more than 45 min or based on
participant "needs," and low- to medium-intensity exercise. Future research should
focus on further examining the effects of exercise on PA and on the effects of
strength training for the elderly. There is much to be learned regarding optimal
intensity, frequency, and duration of resistance-training programs in this popula-
tion, particularly in diseased segments of the population. Furthermore, a concerted
effort should be made to examine the effects of a combined cardiovascular and
strength-training protocol. This is potentially the most physiologically beneficial
exercise protocol for this age group, yet studies examining it are severely lacking.
As a final note, research in this area must make more of an attempt to use groups that
are equivalent at baseline on the mood measure of interest. Small, but significant,
improvements in mood with exercise can be washed out if this is not controlled for
in the course of study design.
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... 43,47 There is a bidirectional relationship between mood and functional mobility. 48 Multiple sources have found that increased physical activity positively affects people's mental health, while other studies demonstrated presence of depressive symptoms as a strong predictor of decreased mobility and indirectly functional impairment. [48][49][50][51][52] In this study, the EQ-5D was utilized-a validated tool for depression and anxiety symptoms assessment that is commonly used to assess patients' psychological status. ...
... 48 Multiple sources have found that increased physical activity positively affects people's mental health, while other studies demonstrated presence of depressive symptoms as a strong predictor of decreased mobility and indirectly functional impairment. [48][49][50][51][52] In this study, the EQ-5D was utilized-a validated tool for depression and anxiety symptoms assessment that is commonly used to assess patients' psychological status. 27,53 In patients with degenerative disease of the lumbar spine, a stepwise increase in OFI measured by the TUG test demonstrated a drop in EQ-5D by -0.073. ...
Objective: The 5-repetition-sit-to-stand (5R-STS) test is an objective test of functional impairment- commonly used in various diseases, including lumbar degenerative disc diseases. It is used to measure the severity of disease and to monitor recovery. We aimed to evaluate reference values for the test, as well as factors predicting 5R-STS performance in healthy adults. Methods: Healthy adults ( > 18 years of age) were recruited, and their 5R-STS time was measured. Their age, sex, weight, height, body mass index (BMI), smoking status, education level, work situation and EuroQOL-5D Healthy & Anxiety category were recorded. Linear regression analysis was employed to identify predictors of 5R-STS performance. Results: We included 172 individuals with mean age of 39.4 ± 14.1 years and mean BMI of 24.0 ± 4.0 kg/m2. Females constituted 57%. Average 5R-STS time was 6.21 ± 1.92 seconds, with an upper limit of normal of 12.39 seconds. In a multivariable model, age (regression coefficient [RC], 0.07; 95% confidence interval [CI], 0.05/0.09; p < 0.001), male sex (RC, -0.87; 95% CI, -1.50 to -0.23; p = 0.008), BMI (RC, 0.40; 95% CI, 0.10-0.71; p = 0.010), height (RC, 0.13; 95% CI, 0.04-0.22; p = 0.006), and houseworker status (RC, -1.62; 95% CI, -2.93 to -0.32; p = 0.016) were significantly associated with 5R-STS time. Anxiety and depression did not influence performance significantly (RC, 0.82; 95% CI, -0.14 to 1.77; p = 0.097). Conclusion: The presented reference values can be applied as normative data for 5R-STS in healthy adults, and are necessary to judge what constitutes abnormal performance. We identified several significant factors associated with 5R-STS performance that may be used to calculate individualized expected test times.
... Following 12 weeks of aerobic exercise training, marked decreases in several negative mood indicators were seen including decreases in hostility, guilt, sadness, fear, and general negative affect, with the experimental group showing greater decreases than controls. A large body of work has shown that both acute and chronic exercise is beneficial at improving mood, including both increases in positive affect and decreases in negative affect, especially anxiety and depression (Cramer et al., 1991;Arent et al., 2000;Hoffman and Hoffman, 2008;Basso and Suzuki, 2017;Bonham et al., 2018;Aparicio et al., 2021). Here, we show that increasing aerobic exercise in middle-aged individuals with a previous exercise regimen can confer additional affective state improvements beyond maintaining an exercise regimen. ...
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Regular physical exercise can decrease the risk for obesity, diabetes, and cardiovascular disease, increase life expectancy, and promote psychological health and neurocognitive functioning. Cross-sectional studies show that cardiorespiratory fitness level (VO2 max) is associated with enhanced brain health, including improved mood state and heightened cognitive performance. Interventional studies are consistent with these cross-sectional studies, but most have focused on low-fit populations. Few such studies have asked if increasing levels of physical activity in moderately fit people can significantly enhance mood, motivation, and cognition. Therefore, the current study investigated the effects of increasing aerobic exercise in moderately fit individuals on psychological state and cognitive performance. We randomly assigned moderately fit healthy adults, 25–59 years of age, who were engaged in one or two aerobic exercise sessions per week to either maintain their exercise regimen (n = 41) or increase their exercise regimen (i.e., 4–7 aerobic workouts per week; n = 39) for a duration of 3 months. Both before and after the intervention, we assessed aerobic capacity using a modified cardiorespiratory fitness test, and hippocampal functioning via various neuropsychological assessments including a spatial navigation task and the Mnemonic Similarity Task as well as self-reported measures including the Positive and Negative Affect Scale, Beck Anxiety Inventory, State-Trait Anxiety Inventory, Perceived Stress Scale, Rumination Scale, Eating Disorders Examination, Eating Attitudes Test, Body Attitudes Test, and Behavioral Regulation of Exercise Questionnaire. Consistent with our initial working hypotheses, we found that increasing exercise significantly decreased measures of negative affect, including fear, sadness, guilt, and hostility, as well as improved body image. Further, we found that the total number of workouts was significantly associated with improved spatial navigation abilities and body image as well as reduced anxiety, general negative affect, fear, sadness, hostility, rumination, and disordered eating. In addition, increases in fitness levels were significantly associated with improved episodic memory and exercise motivation as well as decreased stress and disordered eating. Our findings are some of the first to indicate that in middle-aged moderately-fit adults, continuing to increase exercise levels in an already ongoing fitness regimen is associated with additional benefits for both psychological and cognitive health.
... However, as Mutrie (2002) points out above, what we do with our bodies may indeed affect how we think and feel. Evidence indicates that physical activity may be associated with a number of mental health benefits, including general mood improvement (Arent, Landers, & Etnier, 2000;Berger & Owen, 1983;Cockerill, Lawson, & Nevill, 1995;Pronk, Crouse, & Rohack, 1995), decreased trait anxiety (Petruzzello, Landers, Hatfield, Kubitz, & Salazar, 1991;Steptoe, Edwards, Moses, & Mathews, 1989), reduced state anxiety (Petruzzello et aI.) and lowered stress responses (Hamer, Taylor, & Steptoe, 2006;Rejeski, Thompson, Brubaker, & Miller, 1992). ...
p>Physical activity has been found to alleviate depression, but little is known about why or how it 'works'. Combining quantitative and qualitative research methods, the overall aims of this thesis were to address this gap, identify potential mediators and develop an understanding of the process of change. Self-esteem, physical self-concept, physical self-efficacy, and the independent mood dimensions of depression, negative affect (NA) and positive affect (PA), were identified from theory as potential mediators. PA and NA have not previously been suggested, and represent a novel explanation. In particular, it was proposed that PA may be a stronger candidate mediator than NA. These factors were examined in an initial, longitudinal study in which individuals with elevated depression scores increased their physical activity over an eight week period. The temporal relation of change suggested that improvement in P A, NA and physical self-efficacy may be stronger candidate mediators than physical self-concept or self-esteem, at least for mediating change in depression in the early stages of increased activity. Larger effects were found for change in P A than NA or any other potential mediator. A qualitative, grounded theory study offered insight that depressed individuals may experience a sense of pleasurable engagement in life from physical activity. The accounts also suggested the importance of embodied experience and knowledge in the process of change. Direct (bodily) experiences of the physical activity - especially enjoyment - seemed to be related to experiencing benefit, changing motivations and eventually the active use of physical activity to self-control symptoms by some. It was consequently hypothesised that state mood changes (especially an increase in PA - i.e. movement away from anhedonia) may be responsible for initial reductions in depression and that coping self-efficacy may be a mechanism responsible for longer term effects. A final, cross-sectional, postal questionnaire study further examined the potential mediators identified from the other studies in a multiple mediation analysis. PA and NA were the only significant direct mediators and statistical comparisons suggested an equal mediating role. However, post-hoc analyses suggested that physical self-efficacy may indirectly mediate improvement in depression through improvement in P A but not NA. From the findings, a new, tentative theoretical model for understanding the process of change is proposed. Distinguishing between P A and NA forms a fundamental basis of the model. It is suggested that embodied experiences of physical activity (e.g. physical self-efficacy) may indirectly mediate higher-level response in depression through PA and / or NA, and that improvement in the mediators may dynamically reinforce future physical activity. The value of distinguishing between PA and NA in understanding mediators of at least initial response in depression to physical activity is discussed.</p
... The aim of the work was to find out if the physical program as part of the Senior Fitness Project can positively influence the components of the current mental state of the group of men and women aged 50-65. It is generally accepted that there is a desirable relationship between physical activity and psychological status, as presents Hendl (2007) in surveyed studies, as (Arent et al., 2000). It emerged that physical activity can be beneficial in emotional tuning of elderly people. ...
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Abstrakt This article is focused on the effect of the physical activity program on the psychological well-being in a group of men and women aged between 50-65 years. We used these methods for diagnostic: a bespoke questionnaire focused on motivation, the standardized POMS questionnaire (Profile of Mood States) to measure actual psychical state items and three exercises of the standardized test battery UNIFITTEST (6-60) to test motor efficiency. The first questionnaire analyzed the motives of respondent for entering the program. The results showed that the most frequent motives are the pleasure of movement, the improvement of physical fitness, the need of active relaxation and the relief of stress. The results of the second questionnaire ascertained statistically significant effects in two items of the actual mood state-tension and fatigue. The physical activity program reduced anxiety and at the same time it caused a drop in feelings of fatigue. The test of motor efficiency was conducted in three selected exercises-long jump from a spot, sit-up repeatedly and deep bending forward a sitting position. It showed that the program has a statistically significant effect on the efficiency in all three selected motor exercises that were undertaken by respondents. There were 16 people involved in the research, 3 men and 13 women. The average age was 57,8 years. The physical activity program was given two times a week, each lesson lasting 60 minutes. It consisted of two types of exercises. The first type of exercise was focused on developing balance abilities and engendering muscle balance. The second type of exercise-health physical education-was focused on the maintenance and improvement of flexibility and the development of muscle power and stamina. Respondents could participate in one or both of the exercises every week.
... Dotyczy to każdego rodzaju ćwiczeń, podejmowanych 3 dni w tygodniu przez minimum 45 minut. Najkorzystniej oddziałują ćwiczenia o niskiej i umiarkowanej intensywności (Arent i in., 2000). Podejmowanie treningu zdrowotnego przez starsze kobiety wpływa na utrzymanie dobrych parametrów koncentracji i sprawności funkcjonalnej (Mętel i in., 2012). ...
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Seniorzy stanowią najszybciej rosnącą grupę populacji w rozwiniętych krajach. Jednak zwiększaniu się długości życia nie zawsze towarzyszy poprawa jakości życia. Dlatego istotną kwestią, również u osób starszych jest prowadzenie prozdrowotnego stylu życia, w którym ważne miejsce powinna zajmować aktywność fizyczna. Jest to element konieczny do zachowania sprawności fizycznej i funkcjonalnej, dobrego stanu zdrowia, także autonomii i niezależności. W niniejszej publikacji znajdują się treści dotyczące procesu starzenia, form jego przebiegu i obserwowane zmiany inwolucyjne w poszczególnych układach organizmu człowieka. Scharakteryzowano korzyści wynikające z regularnego podejmowania aktywności fizycznej, szczególnie w odniesieniu do osób starszych. Zaprezentowane zostały rekomendacje dotyczące odpowiedniej dla zdrowia „dawki” wysiłku fizycznego, opisano zasady ćwiczeń powalające bezpiecznie i zdrowo ćwiczyć oraz zaproponowano formy aktywności fizycznej dla osób dojrzałych i starszych. Książka pierwotnie dostępna w kolekcji Śląskiej Biblioteki Cyfrowej:
... Adolescence and youth are very important and sensitive stages in the process of human development (27). Physical activity has been recognized as an important tool to improve the level of general health and limited studies have addressed the relationship between the level of physical activity and mental health (28,29). Public health advocates continue to vigorously promote adequate levels of physical activity in the home to prevent the destructive effects of lifestyles created as a result of protection against COVID-19 or quarantine (30) and to ensure that the restrictions do not lead to the loss of physical activity in people (31). ...
Background: General health includes physical and mental health and their interactions, and physical activity can improve people's mental and social health. The present study has compared general-social health and COVID-19-induced anxiety between active and inactive students during the COVID-19 pandemic. Methods: A causal-comparative research design was used in this study. The statistical population consisted of all students of the Farhangian University of Mashhad (2,500 students) in 2020, out of whom 752 students were randomly selected (323 men and 429 women). Subjects were assessed for general health, social health, and COVID-19-induced anxiety. Data normality was investigated by the Kolmogorov-Smirnov test and data were analyzed statistically using independent t -test and Pearson correlation coefficient test. Results: The results of the present study showed that there was a significant difference between general health and COVID-19-induced anxiety of active and inactive students ( p = 0.001), but no significant difference was observed between these two groups in social health ( p ≥ 0.05). Results obtained regarding the correlation indicated that there was a significant correlation between general and social health in both active and inactive students ( p = 0.001). However, there was no significant correlation between COVID-19-induced anxiety and general-social health ( p ≥ 0.05). Conclusion: According to the results of the present study, it can be said that an active lifestyle and physical activity are important factors to improve general health and reduce anxiety, especially in specific conditions of the COVID-19 outbreak. Therefore, it is recommended that students have a regular exercise program to reduce their anxiety and increase the level of their physical health.
V monografiji avtorice predstavljajo ugotovitve več raziskav, ki so jih izvedle v zadnjih desetih letih, in jih umestijo na področje pozitivne psihologije, ki se je kot znanstvena disciplina uveljavila po letu 2000. Kot teoretični okvir v prvem poglavju predstavijo raziskave laičnega pojmovanja sreče in teoretične modele subjektivnega blagostanja. Poudarek na znanstveni ustreznosti merskih instrumentov v pozitivni psihologiji je spodbudil interes za konstrukt subjektivnega blagostanja tudi na drugih področjih psihologije.
Background: Despite the proven benefits of exercise in older adults, challenges such as access and motivation can deter their engagement. Interactive virtual reality (VR) games combined with exercise (exergames) are a plausible strategy to encourage physical activity among this population. However, there has been little research on the feasibility, acceptability, and potential benefits of deploying at-home VR exergames among community-dwelling older adults. Objective: The objectives of this study are to estimate the feasibility, usability, and acceptability of a co-designed VR exergame in community-dwelling older adults; examine intervention feasibility and assessment protocols for a future large-scale trial; and provide pilot data on outcomes of interest (physical activity, exercise self-efficacy, mood, cognition, perception, and gameplay metrics). Methods: The study will be a remote, 6-week intervention comprising an experimental and a control group. A sample of at least 12 community-dwelling older adults (with no or mild cognitive impairment) will be recruited for each group. Both groups will follow the same study procedures and assessment methods. However, the experimental group will engage with a co-designed VR exergame (Seas The Day) thrice weekly for approximately 20 minutes using the Oculus Quest 2 (Facebook Reality Labs) VR headset. The control group will read (instead of playing Seas The Day) thrice weekly for approximately 20 minutes over the 6-week period. A mixed methods evaluation will be used. Changes in physical activity, exercise self-efficacy, mood, cognition, and perception will be compared before and after acute data as well as before and after the 6 weeks between the experimental (exergaming) and control (reading) groups. Qualitative data from postintervention focus groups or interviews and informal notes and reports from all participants will be analyzed to assess the feasibility of the study protocol. Qualitative data from the experimental group will also be analyzed to assess the feasibility, usability, and acceptability of at-home VR exergames and explore perceived facilitators of and barriers to uptaking VR systems among community-dwelling older adults. Results: The screening and recruitment process for the experimental group started in May 2021, and the data collection process will be completed by September 2021. The timeline of the recruitment process for the control group is September 2021 to December 2021. We anticipate an estimated adherence rate of ≥80%. Challenges associated with VR technology and the complexity of remote assessments are expected. Conclusions: This pilot study will provide important information on the feasibility, acceptability, and usability of a custom-made VR exergaming intervention to promote older adults' well-being. Findings from this study will be useful to inform the methodology, design, study procedures, and assessment protocol for future large-scale trials of VR exergames with older adults as well as deepen the understanding of remote deployment and at-home use of VR for exercise in older adults. International registered report identifier (irrid): DERR1-10.2196/32955.
Conference Paper
منذ الأزل والإنسان يواجه مشاكل وصعوبات عديدة، كانت دائما ما تحول بحلول مستمرة، لكن في هاته الفترة تغيرت الحياة كثيراً مع انتشار فيروس كورونا، وقد ينعكس هذا التغيير على الصحة النفسية وخاصة مع تطبيق العديد من القيود التي تحد من نشاطاتهم اليومية، وتواصلهم الاجتماعي خاصة عند فئة كبار السن فمن المعلوم أن مرحلة الكبر تمر بعواقب في تدهور الحالة الصحية والنفسية لدى هاته الفئة لذا جاءت دراستنا بهدف توضيح أهمية التمارين الرياضية لكبار السن خاصة خلال هاته الفترة الصعبة التي نمر بها بحيث تتضمن بعض الإقتراحات لنوعية التمارين المناسبة لكبار السن، بالإضافة للتطرق إلى برامج رياضية مخصصة لهذه الفئة من المجتمع. Since time immemorial, human facing many problems and difficulties, it was always transformed by continuous solutions, but in this period, life changed a lot with the spread of the Corona-virus, this change may be reflected in mental health, especially with the application of many constraints that limit their daily activities, And their social contact, especially among the aged group, it is known that the old age is going through consequences in the degeneration of the health and psychological state of this group, so our study aims to clarify the importance of exercise for the elderly, especially during this difficult period, also the study includes some suggestions for the type of exercises suitable for the elderly; In addition, to addressing sports programs assigned to this category of society.
The relationship between cardiorespiratory exercise and psychological well-being and mood state was studied in elderly women. Thirty-two sedentary Caucasian women 67 to 85 years of age were randomly assigned to either a walking or an attention-placebo control group; 30 completed all phases of the study. Intervention groups exercised 30 to 40 minutes 5 days a week for 12 weeks, with the walking group training at 60% heart rate reserve and the control group engaging in mild range-of-motion and flexibility movements that kept their heart rates close to resting levels. In a separate analysis, 12 highly conditioned elderly women 65 to 84 years of age who were active in endurance competitions were recruited at baseline for cross-sectional comparisons. At baseline they exhibited superior scores on the profile of mood states (POMS) and general well-being (GWB) schedule. Twelve weeks of moderate cardiorespiratory exercise improved the VO2max of the sedentary subjects 12.6% but did not result in improvement in POMS...
We investigated psychological differences in young old to very old women who were matched for several factors except for physical activity. Thirteen active and 12 inactive subjects (mean ages ± SE 80.9 ± 1.8 and 81.8 ± 1.4 years, respectively) were recruited from independent-living retirement centers using selecton criteria of: 70 years of age or older; Caucasian; absence of chronic disease, cancer, and mood-altering drugs; and Quetelet index <30 kg/m2. The active subjects habitually exercised an average of 123 ± 19 min a week and had followed their exercise program for 30.9 ± 9.4 years. The inactive subjects exercised 4 ± 3 min a week and reported 68.8 ± 8.6 years of inactivity. Between-group comparisons of nutrient intake, anthropometrics, aerobic power, and psychology revealed few significant differences. VO2max was not correlated with psychological variables. The number of minutes of exercise was negatively correlated with fatigue. The Quetelet index was positively correlated with three Profile of Mood States (POMS). There was a trend toward less depression and fatigue among the active subjects. Habitual moderate exercise was not associated with an increase in psychological well-being.
Nearly 200 studies have examined the impact that either acute or long-term exercise has upon cognition. Subsets of these studies have been reviewed using the traditional narrative method, and the common conclusion has been that the results are mixed. Therefore, a more comprehensive review is needed that includes all available studies and that provides a more objective and reproducible review process. Thus, a meta-analytic review was conducted that included all relevant studies with sufficient information for the calculation of effect size (W = 134). The overall effect size was 0.25, suggesting that exercise has a small positive effect on cognition. Examination of the moderator variables indicated that characteristics related to the exercise paradigm, the participants, the cognitive tests, and the quality of the study influence effect size. However, the most important finding was that as experimental rigor decreased, effect size increased. Therefore, more studies need to be conducted that emphasize experimental rigor.