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Effects of Wearing Compression Stockings on Exercise Performance and Associated Indicators: A Systematic Review

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  • Federal University of Triangulo Mineiro

Abstract and Figures

This systematic review investigated the effects of wearing below-knee compression stockings (CS) on exercise performance (or sports activity) and associated physiological and perceived indicators. We searched articles on PubMed using the following terms: "graduated compression stockings"; "compression stockings"; "graduated compression socks"; "compression socks" combined with "performance", "athletes", "exercise", "exercise performance", "fatigue", "sports" and "recovery", resulting in 1067 papers. After checking for inclusion criteria (e.g., original studies, healthy subjects, performance analysis), 21 studies were selected and analyzed. We conclude that wearing CS during exercise improved performance in a small number of studies. However, wearing CS could benefit muscle function indicators and perceived muscle soreness during the recovery period. Future research should investigate the chronic effect of CS on Sports Medicine and athletic performance.
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REVIEW
Effects of Wearing Compression Stockings on
Exercise Performance and Associated Indicators:
A Systematic Review
This article was published in the following Dove Press journal:
Open Access Journal of Sports Medicine
Gustavo R Mota
1
Mário Antônio de Moura
Simim
2
Izabela Aparecida dos Santos
1
Jeffer Eidi Sasaki
1
Moacir Marocolo
3
1
Human Performance and Sport
Research Group, Department of Sport
Sciences, Institute of Health Sciences,
Federal University of Triangulo Mineiro,
Uberaba, MG, Brazil;
2
Research Group in
Biodynamic Human Movement, Institute
of Physical Education and Sports, Federal
University of Ceará, Fortaleza, CE, Brazil;
3
Physiology and Human Performance
Research Group, Department of
Physiology, Federal University of Juiz de
Fora, Juiz de Fora, MG, Brazil
Abstract: This systematic review investigated the effects of wearing below-knee compres-
sion stockings (CS) on exercise performance (or sports activity) and associated physiological
and perceived indicators. We searched articles on PubMed using the following terms:
graduated compression stockings;compression stockings;graduated compression
socks;compression sockscombined with performance,athletes,exercise,exercise
performance,fatigue,sportsand recovery, resulting in 1067 papers. After checking
for inclusion criteria (e.g., original studies, healthy subjects, performance analysis), 21
studies were selected and analyzed. We conclude that wearing CS during exercise improved
performance in a small number of studies. However, wearing CS could benet muscle
function indicators and perceived muscle soreness during the recovery period. Future
research should investigate the chronic effect of CS on Sports Medicine and athletic
performance.
Keywords: ergogenic aid, fatigue, sports, medicine, prevention, soccer, running
Introduction
The prevention of deep venous thrombosis is one of the rst evidence-based
benets of wearing compression stockings (CS), demonstrated by a clinical experi-
ment in which CS improved the venous return by increasing femoral vein blood
ow velocity in hospitalized patients.
1
Over time, the interest from the basic
medical area has expanded to other elds like Sports Medicine.
2
Nowadays,
recreational and professional athletes have used CS as a tool for improving perfor-
mance or accelerate recovery from training or competitions, and also to reduce
lower limb volume,
3,4
relieve symptoms of muscle soreness, and fatigue.
36
Such
popularity is probably boosted by the possibility to obtain potential ergogenic
benets with a simple and low-cost aid.
There are different types (e.g., shorts for thighs, full-leg) and application modes
(e.g., using only after the exercise) for compression garments. However, using CS
(bellow-knee) only duringthe exercise are probably more practical (than during
recovery, after-exercise) for a signicant number of sports/activities. For example,
uniform issues would limit whole-body garments in some sports. Also, athletes living
in tropical locations could be unmotivated to wear compression garments after
training sessions once those garments usually promote higher skin temperatures.
7,8
Additionally, there is limited evidence regarding the effects of wearing CS (only)
Correspondence: Gustavo R Mota
Human Performance and Sport Research
Group, Department of Sport Sciences/
Institute of Health Sciences, Federal
University of Triângulo Mineiro, Av.
Tutunas, 490 Uberaba/MG, Uberaba
38061-500, Brazil
Tel +55 34 3700-6633
Email grmotta@gmail.com
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during exercise/training/competition, which could be rele-
vant for Sports Medicine professionals. Therefore, the pur-
pose of this systematic review was to investigate the effect
of wearing below-knee CS during exercise (or sports activ-
ity) on performance and associated physiological and per-
ceptual indicators.
Methods
A systematic literature search was performed by two inde-
pendent reviewers in PubMed. The following terms: (i)
graduated compression stockings; (ii) compression
stockings; (iii) graduated compression socks; (iv)
compression sockswere combined with performance,
athletes,exercise,exercise performance,fatigue,
sportsand recovery(Figure 1).
Inclusion Criteria
The studies included in this review met the following inclu-
sion criteria: 1) original studies; 2) comprised samples of
adults (18 yr); 3) participants were healthy; 4) investi-
gated the effects of wearing foot-to-knee (below knee) CS
(during exercise) on exercise performance and physiologi-
cal and perceptual indicators (e.g., muscle fatigue, muscle
recovery, musle soreness); 5) compression stockings worn
during the exercise/test/match; and 6) study protocol
included exercise or effort tests and performance analysis.
The literature search occurred between January 01,
1900, until June 30, 2019. We excluded the following
type of articles: conference abstracts, case reports, short
communications, systematic reviews, meta-analyses, the-
ses, letters to the editor, and protocol papers. Also, we
excluded studies involving unhealthy participants: e.g.,
patients with morbid conditions such as obesity, chronic
venous insufciency, diabetes, hypertension (but not lim-
ited to).
Analysis
The heterogeneity of the selected studies was consider-
able: e.g., exercise protocols, tness level of the partici-
pants, variables measured. Thus, we have decided not to
evaluate the studies chosen from a statistical point of view.
Instead, we performed a qualitative analysis, conducted by
two authors focusing on the effects reported by the authors
and potential practical implications. All other authors read
this qualitative analysis carefully, and edits have been
incorporated.
Results
Figure 1 shows the search, selection, and inclusion pro-
cess. The search displayed a total of 1067 papers, which
were reduced to 370 after exclusion of duplicate publica-
tions. Then, we discarded 39 articles written in non-
English languages.
9
From the remaining 331 items, we
excluded 261 by examining the title. Finally, from the
remaining 70 articles, we selected 21 studies for this
review according to our inclusion criteria (Figure 1).
Table 1 presents a summary of the studies examining
the effects of wearing below-knee CS during exercise on
performance and associated indicators. Running was the
most common type of exercise in the selected studies
(76%, 16 out of the 21 studies), followed by soccer (two
studies; 10%), triathlon, calf-rise exercise and cycle erg-
ometer (one study each one; 5%). All studies were per-
formed using a randomized experimental design, with the
majority employing a crossover design strategy (13 stu-
dies, 62%) (Table 1).
Table 2 presents those studies in which CS inuenced
at least one measurable variable (15 studies, 71%). Three
studies (14%) found effects from wearing CS on at least
two variables, and for all others (12 studies; 57%) CS
affected only one variable (Table 2).
Only two studies found some benecial effect of CS
on performance, and a third study improved subsequent
performance (Table 2). Two studies did not nd per-
formance effects of CS for the group mean, but the
authors highlighted that CS promoted benets for some
individuals. The main effects of CS are presented with
compressions between 20 and 30 mmHg. The range
between the minimum compression values is 12 to
28 mmHg, while the maximum values range from 15
to 33 mmHg.
Discussion
This systematic review aimed to investigate the effect of
wearing below-knee CS during exercise on performance
and associated indicators. The main nding is that wearing
this kind of CS during exercise (or physical activity)
improved performance in a minor part of the studies
selected (i.e., 3 out of 21). However, a reasonable number
of studies have shown evidence that wearing CS could
benet muscle function or fatigue indicators (e.g., CMJ,
specic physical tests) and perceived muscle soreness just
after the exercise protocol and/or hours after the exercise
bout (e.g., during 1 h, 24 h recovery).
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CS and Performance Improvement
One of the main reasons for wearing CS during exercise
is probably the expectation of performance enhancement
due to potential physiological effects.
2
This includes
better venous return which hasten metabolic removal
from the exercising muscles
31
and reduce cardiac
load,
26
improved proprioceptive feedback and better
movement accuracy,
32
reduced muscle oscillations,
lower muscle damage, inammation, and soreness.
6,31
In the current review, only three studies found some
CS-induced benet on performance but did not present
adirect mechanistic explanation. For example, astudy
concluded that wearing CS (during two soccer matches,
72 hin-between) resulted in higher distances covered in
high-intensity activities which are decisive for soccer.
Also, CS promoted alower perceived muscle soreness in
thesecond match.
17
Although the authors did not mea-
sure any direct muscle damage marker, they suggested
that CS probably protected the eccentric actions com-
mon in soccer matches,
33
mechanically (i.e., smaller
muscle oscillation).
6
In this regard, the oscillating forces
experienced by the muscle resulted in reduced muscle
fatigue. Thus, the CS might offer a mechanical advan-
tage reducing muscle oscillation and countering fatigue
in high-intensity activities (e.g., intermittent accelera-
tion, changing directions).
34,35
Figure 1 Flow chart for search and selection of articles.
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Table 1 Characteristics of the Studies Examining the Effects of Wearing CS Below-Knee During the Exercise Performance and Related Indicators
Date-Author Subjects Age Aim Experimental
Design
CP (mmHg) Type of
Exercise
Exercise Protocol/
Details
Findings
Ali et al 2007
10
(Experiment 1)
14
recreational
runners (men)
22±0.4 To examine the inuence of
wearing graduated CS on
physiological and Perceptual
responses during and after
exercise
Randomized
crossover
1822 Intermittent
running
2 x multi-stage tness
shuttle running test,
with 1 h recovery
between tests
CS had no effects on distance
covered, HR, perceived soreness,
RPE and comfort
Experiment 2 10 individuals
participated in
both
experiments
23±0.5 Randomized
crossover
1822 Continuous
running
10 km time-trial CS decreased muscle soreness 24
h after the 10 km, but not
performance, HR, RPE
Ali et al 2011
11
12 well-
trained
runners (men
and women)
33±10 To examine the effects of
wearing different grades of CS
on 10 km running
performance and to assess the
effects on physiological and
perceptual responses after
exercise
Randomized
crossover
Control - 0
Low 1215
Med 1821
Hi 2332
Running 10 km time-trial CS worn did not affect
performance; Low and Med CS
resulted in greater maintenance of
leg power after 10 km
Areces et al
2015
12
34
experienced
runners (30
men and 4
women)
42±7.8
control
41.2±8.9
CS
To investigate the benets of
CS for running pace,
prevention of muscle damage,
and maintenance of muscle
performance during a real
marathon
Randomized
Controlled trial
2025 Running Marathon race
(42,195 m)
CS did not improve marathon race
time, muscle function, RPE or
markers of muscle damage
Berry et al
1987
13
6 high t men
college
students
22.5±5.4 To determine the effects of CS
on maximal oxygen
consumption, time to
exhaustion, and blood lactate
during recovery
Randomized
crossover
818 Running Incremental treadmill
test until exhaustion
CS had no effect on VO2max,
recovery of VO2max. Blood lactate
was lower on recovery period
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Bieuzen et al
2014
14
11 highly
trained men
runners
34.7±9.8 To examine the effect of
wearing CS on indices of
exercise-induced muscle
damage in a trail-running
context
Randomized
crossover
25 Running
(simulated
trail race)
15.6 km total
distance, being 3 laps
of 5.2 km
In mountainous
terrain. Each lap had
a climbing (2.2 km, ~
13%)
Followed by
a downhill (3 km, ~
9%).
CS improved post-exercise
recovery (perceived leg soreness
and muscle function); No benets
on markers of muscle damage/
inammation
Brophy-
Williams et al
2019
15
12 well-
trained men
runners
30.5±8.1 To assess the effect of wearing
CS during a 5 km running
time-trial on physiological,
perceptual and performance-
based parameters, and
subsequent performance
Counter-
balanced
crossover
experiment
37 ± 4 mmHg at
the maximal calf
girth, 31 ± 4
mmHg at the
upper ankle and 23
± 4 mmHg at the
lower ankle
Running Maximal 5 km time-
trial on treadmill (CS
or control).
A subsequent 5 km
time-trial was
performed 60 min
later (without CS)
CS did not affect immediate
performance, but had a positive
impact on subsequent performance
(less decrement from rst to
the second 5 km time-trial)
Del Coso et al
2014
16
36
experienced
triathletes
35.8±6.3
control
35.0±5.3
CS
To investigate the effects CS
to prevent muscular damage
and to preserve muscular
performance during a half-
ironman competition
Matched for
age,
anthropometric
And training
status and
randomly
assigned to CS
or control
Not mentioned Half-
ironman
Triathlon
Half-ironman
Triathlon competition
(1.9 km of swimming,
75 km of cycling and
21.1 km of running)
CS did not improve performance,
and did not prevent the reduction
in lower-limb muscle function, as
well as did not reduce post-race
muscle damage markers
Gimenes et al
2019
17
20 under-20
soccer players
(men)
18.3±0.5
control
To evaluated the effects of
using CS on the match-based
physical performance
indicators, HR and perceptual
responses during 2 matches
Randomized
(balanced by the
playing position)
2030 Soccer
matches
Two soccer matches
separated by 72 h
CS minimized the increment of
local muscle soreness in the 2nd
match; promoted higher distance
covered in high-intensity activities
18.4±0.4
CS
(Continued)
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Table 1 (Continued).
Date-Author Subjects Age Aim Experimental
Design
CP (mmHg) Type of
Exercise
Exercise Protocol/
Details
Findings
Kemmler et al
2009
18
21
moderately
trained men
runners
39.3
±10.7
To determine the effect of CS
on parameters of running
performance
Randomized
crossover
24 Running Stepwise
Speed-incremented
treadmill test to
voluntary maximum
(every 5 min, speed
was increased)
CS improved running performance
at various metabolic stages: total
work and time under load**,
maximum speed, parameters at the
anaerobic thresholds
Menetrier et al
2011
19
14 moderatey
trained
athletes
21.9±0.7 To determine the effects of
calf compression sleeves on
running performance and on
calf tissue oxygen saturation
(sto2) at rest before exercise
and during recovery period.
Randomized
crossover
1830 Running Running time to
exhaustion
CS did not improve times to
exhaustion performed; However,
the StO2 results argue for further
interest of this garment during
effort recovery.
Miyamoto et al
2011
20
14 healthy
men
25.6±3.7 To examine the effects of
wearing a CS, with different
pressure proles during
a fatiguing calf-raise exercise
session, on the torque
generating capacity after
exercise.
Randomized
crossover
18 and 30 Calf-raise
exercise
15 sets of 10
repetitions of calf-
raise exercise - 30
s rest between sets
CS with adequate pressure at the
calf region relieves muscle fatigue of
the triceps surae induced by calf-
raise exercise.
Pavin et al
2019
21
20 amateur
female soccer
players
20.6±3.9 To evaluate the effect of CS
use during an amateur female
soccer match on match-
induced fatigue indicators
Randomized
(balanced by the
playing position)
2030 Soccer
match
A single soccer match CS positively inuenced agility and
lower limb muscular endurance
(standing heel-rise) performances
following the match
Rider et al
2014
22
10 cross-
country
runners (men
and women)
Men 21
±1.3
Women
18.7±0.6
To determine the effect of CS
on physiological variables
associated with running
performance
Randomized
Crossover
1522 Running Maximal treadmill
test
CS did not improve running
performance, but could lend
credence to certain manufacturers
claims of improved recovery
through lower BLa values after
exercise
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Rimaud et al
2010
23
8 healthy
trained males
21.7±0.9 To investigate if wearing CS
during exercise and recovery
could affect lactate prole in
sportsmen
Randomized
crossover
1222 Cycle
ergometer
Incremental cycle
ergometer test
CS during graded exercise lead to
a signicant higher blood lactate
value at exhaustion, probably due
to a higher lactate accumulation
related to a greater overall
contribution of anaerobic glycolysis
in the energy supply when subjects
wore CS during exercise
Sperlich et al
2010
24
15 well-
trained
endurance
athletes
27.1±4.8 To test three types of
compression clothing on well-
trained athletes to assess
physiological responses and
effects on performance
Randomized
crossover
20 Running Incremental test in
treadmill
CS did not improved time to
exhaustion or resulted in any
altered oxygen uptake response,
lactate concentration, or ratings of
perceived exertion and muscle
soreness during maximal and
submaximal exercise
Treseler et al
2016
25
19
recreationally
active women
20±1 To examine the physiological
and perceptual responses to
wearing below-the-knee CS
after a 5-km running
performance
Randomized
crossover
12.621 Continuous
running
5 km time-trial CS had no effects on 5 km time and
HR, but resulted in less muscle
soreness in lower extremities and
higher RPE
Varela-Sanz
et al 2011
26
(Experiment 1)
16 endurance
trained
athletes (men
and women)
34.7± 6.3 To examine the effect of
gradual-elastic compression
stock- ings (gcss) on running
economy
Randomized
repeated-
measures design
1522 Continuous
running
4 bouts of 6-min half-
marathon pace
treadmill running
CS had no effects on running
economy and RPE
Experiment 2 12 endurance
trained
athletes (men
and women)
*These
individuals
also
participated in
experiment 1
Not
described
To examine the effect of gcss
on kinematics, and running
performance
Randomized
noncrossover
design
1522 Continuous
running
Treadmill running
until exhaustion at
105% of the athletes
recent 10-km time
and 1% grade
CS resulted in lower %HR
max
.No
effects of the CS were observed for
time to fatigue, HR
peak
, lactate, RPE,
VO
2 peak
, speed, %VO
2 max
, and RE
(Continued)
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Table 1 (Continued).
Date-Author Subjects Age Aim Experimental
Design
CP (mmHg) Type of
Exercise
Exercise Protocol/
Details
Findings
Vercruyssen
et al 2012
27
11 male
trained
runners
34.7±9.8 To investigate the effects of CS
on performance indicators and
physiological responses during
prolonged trail running
Randomized
crossover
18 Continuous
running
15.6 km trail-running CS had no effects on run time, HR,
blood lactate concentration and
RPE
Wahl et al
2012
28
9 well-trained,
male
endurance
athletes
22.2±1.3 To test if different levels of
sock compression affect
erythrocyte deformability and
metabolic parameters during
sub-maximal and maximal
running
Randomized
repeated-
measures design
0, 10, 20, and 40 Continuous
running
30 min sub-maximal
running and time to
exhaustion thereafter
using a ramp test
(increase in incline of
1% every minute)
CS had no effects on erythrocyte
deformability, heart rate, pO2 and
lactate concentration. However,
exercise itself signicantly increased
erythrocyte deformability, with high
CS attenuating this effect.
Zadow et al
2018
29
67 marathon
runners (men
and women)
46.7
±10.3
To investigate the effect of
wearing compression socks on
coagulation and brinolysis
following a marathon
Randomized
controlled trial
Not described Continuous
running
Marathon race
(42,195 m)
CS signicantly reduced post-
marathon D-Dimer concentrations
Zaleski et al
2018
30
20 runners
(men and
women)
Control:
35.5±8.0
CS: 36.9
±8.4
To examine the inuence of
CS worn during a marathon
on creatine kinase levels
Randomized
controlled trial
1925 Continuous
running
Marathon race
(42,195 m)
CS had no effects on CK levels at
baseline, immediately following, or
24h after a marathon race.
Notes: **Time under load means the maximal amount of minutes performed at a submaximal speed (i.e., 9 to 11 km.h
1
) to ensure over 30 mins running.
Abbreviations: CP, compression pressure; CMJ, countermovement jumps; CK, creatine kinase; CS, compression stockings; ES Cohens d, effect size; RPE, rating of perceived exertion.
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Table 2 Studies That Found Effects from Wearing CS During Exercise
Study Potential
Beneted Variable
Summary Effects from CS No Effects from CS
Ali et al 2007
10
Muscle soreness
Experiment 2: CS decreased
muscle soreness following each
exercise bout, and 24 h after the
10 km time-trial;
Performance was not inuence by
CS (P=0.15)
Experiment 2:
Lower perceived muscle soreness
potential Individual improvements:
10 of the 14 Participants ran faster
~20s
Experiment 1:
Distance covered on the multi-stage tness Shuttle running
test
HRmean
Perceived muscle soreness
RPE
Experiment 2:
Time to complete 10 km time-trial (mean)
Time to complete 1st and 2nd 5 km partial time RPE
Ali et al 2011
11
Muscle fatigue
CS worn (low and medium
compression) resulted in greater
maintenance of leg power after
10 km, but performance on 10 km
did not
Vertical jump height higher (from
pre-to post-10 km running) when
wearing Low (1215 mm Hg) and
Med (1821 mm Hg) CS
Time to complete 10 km
RPE
HRmean
High (2332 mm Hg) CS hadno benet for vertical jump post-
10 km
Berry et al 1987
13
Lactate recovery
CS did not affect the VO2max,
recovery of VO2max, but blood
lactate was lower on the recovery
period when CS was worn during
incremental treadmill test until
exhaustion
Lower blood lactate after the
incremental test (at 15 min of the
recovery period)
VO2max
Time to exhaustion
recovery of VO2max
Bieuzen et al 2014
14
Muscle soreness
Muscle fatigue-recovery
CS improved post-exercise
recovery (perceived leg soreness
and muscle function); CS did not
inuence the performance
(15.6 km in mountainous terrain)
and markers of muscle damage/
inammation
Lower perceived muscle soreness
Higher isometric peak torque and
MVC (knee extensors) at 1 h (ES
small) and 24 h post-run
All recovery periods on CMJ (ES
large)
Time to complete 15.6 km
RPE
HR responses
CK and interleukin-6 levels
Brophy-Williams et al
2019
15
Subsequent performance
CS did not affect immediate
performance, but had a positive
impact on subsequent performance
(1 h later)
Lower decrement from TT1 to
TT2 (~9.5 s vs control) on time to
complete 5 km
Time to complete TT1 (5 km)
Time to complete TT2 (5 km)
Oxygen consumption
Blood lactate
Cross sectional area of calf
RPE
Perceived muscle soreness
Perceived fatigue
Perceived recovery
Gimenes et al 2019
17
Muscle soreness
Acute performance
CS minimized the increment of
local muscle soreness in the 2nd
match (two soccer matches with
72 h in-between); CS also
improved performance in high-
intensity activities during the
matches
Minimized the increment of
muscle soreness on match 2;
Higher distances covered >
19.1 km.h
1
and 23 km.h
1
on
match 1 higher distances covered
between 19.1 and 22.99 km.h
1
on
match 2
Match 1
Perceived soreness and recovery
RPE
HRmean, HRpeak
Internal load (RPE x minutes played)
Sprints repetitions
Distances covered in total and below 19.1 km.h
1
Match 2
Perceived recovery
RPE
HRmean, HRpeak
Internal load (RPE x minutes played)
Sprints repetitions
Distances covered in total and below 19.1 km.h
1
(Continued)
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Table 2 (Continued).
Study Potential
Beneted Variable
Summary Effects from CS No Effects from CS
Kemmler et al 2009
18
Acute performance
Anaerobic threshold
CS improved running
performance and metabolic
indicators (anaerobic threshold)
Time under load** (ES 0.40)
Total work (ES: 0.30)
Running at the anaerobic (ES:
0.22)
And aerobic thresholds (ES: 0.28)
VO2max
Maximal lactate concentration
HRmax
Pulmonary ventilation
Ventilator equivalent
Respiratory exchange ratio
Menetrier et al 2011
19
Oxygen saturation at
recovery
CS did not improve performance,
however CS increased calf tissue
oxygen saturation at rest and
during recovery from exercise
Increased calf tissue oxygen
saturation at rest (before
exercise): + 6.4±1.9%
And during recovery: + 7.4±1.7%
and + 10.7 ± 1.8% at 20th
And 30th min of the last recovery
period, respectively
Times to exhaustion performed
HRmean
HRmax
RPE
Miyamoto et al 2011
20
Muscle fatigue
CS had no effect on the decline of
MVC, but the extent of reduction
of the evoked triplet torque was
smaller when wearing CS with
a high compression pressure
The decline of the MPF in the CS
30 mmHg was signicantly smaller
than that in 0 mmHg (control)
Reduction of the MVC torque after the ca lf-raise amon g 0
(control), 18 and 30 mmHg CS
EMG amplitude during the MVC was decreased, the
extent to which was not signicantly different among the
three
Conditions bot h for the medial gastrocnemius and soleus
M-wave amplitude (evoked co ntraction)
Pavin et al 2019
21
Muscle fatigue
CS positively inuenced agility and
lower limb muscular endurance
performances following a soccer
match
After-match kept the time to
complete T-test Agility (control
performed slower) from baseline
Control presented greater
decrement after-match (ES = 1.27
control vs. CS) in the heel-rise
test repetitions from baseline
Distance covered in the Yo-Yo intermittent endurance level
2 after match
HRmean, peak and %peak
RPE
Rider et al 2014
22
**worst acute performance
Lactate recovery
CS did not improve running
performance, but seem to
improve recovery after exercise
Time to fatigue lower in CS
(**negative)
Blood lactate lower during
recovery (1 and 5 min)
HR
blood lactate (during the maximal treadmill test)
lactate threshold
VO2max
Respiratory exchange ratio
RPE
Rimaud et al 2010
23
Lactate recovery
CS did not improve performance
during graded maximal exercise
but lead to a higher contribution
of anaerobic glycolysis and
improved lactate removal during
passive recovery. However, CS
efcacy is highly limited
Higher blood lactate value at
exhaustion
Lactate removal ability was
improved (during passive
recovery)
Submaximal/maximal HR
VO2
Performance (W on VO2max)
SBP
RPE
Treseler et al 2016
25
Muscle soreness
CS decreased muscle soreness (24
h post-run) in lower extremities,
(but not for calf) and presented
higher RPE (feelings of working
harder with CS); CS did not
inuence 5 km performance
(P=0.74)
Lower perceived muscle soreness
24 h later
Potential individual improvement
(10 of 19 participants ran faster
~10 s)
Time to complete 5 km time-trial (mean)
HR responses
Rate of perceived recovery
(Continued)
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Another study showed CS-induced ergogenic effects
on performance. The authors found an improvement in
running performance concomitantly with anaerobic and
aerobic thresholds when participants wore CS.
18
The ben-
ets of CS-ergogenic effects on performance are attributed
to enhanced biomechanical support of the muscles, leading
to higher efciency and lower metabolic costs at given
workloads,
18,36
reduction of muscular microtrauma,
6
and
enhanced the proprioception.
32
During a 5 km running
time-trial (Brophy-Williams et al
15
) the wearing CS did
not affect immediate performance. However, CS generated
a positive impact on subsequent 5 km running (i.e., less
performance decrement from time-trial 1 to time-trial 2).
Again, the underlying mechanism of such benetis
unclear but may be related to increased oxygen delivery,
lower muscle oscillation, and better running mechanics.
15
Despite the current results, the literature does not indi-
cate robust evidence favoring the use of CS during exercise
(i.e., only three studies found benets on performance).
Researchers should be careful in drawing conclusions.
Considering that each specic study has (or had)
a particular experimental design (e.g., exercise protocol,
duration, intensity, variables measured, tness level of the
participants), it becomes difcult to generalize the results
from the different studies. Thus, it is essential to consider
the risk of bias and heterogeneity of the studies. As the
same protocol does not conduct different studies, they will
vary in the characteristics of the included population, inter-
ventions, diagnostic methods to access outcomes, etc. (clin-
ical heterogeneity). Thus, these studies may be biased.
37
Additionally, two studies did not nd CS-induced effects
on group mean performance, but the authors highlighted the
individual improvements: 10 of 19 runners ran the 5 km
time-trial approximately 10 s faster,
25
and10ofthe14
runners ran the 10 km time-trial
10
approximately
20 s faster. Therefore, individual responses should be care-
fully evaluated in practical settings.
CS, Muscle Function and Perceived
Muscle Soreness
Some studies in the current review have shown that CS can
induce lower muscle fatigue after an exercise protocol with
the same workload than a control condition.
11,14,20,21
The
lower after-exercise fatigue may suggest a preserved muscle
function. Overall, such studies show the maintenance (based
on baseline values) of muscle function by a smaller decre-
ment of performance (or none) in specic muscular tests
performed after the exercise protocol (e.g., running time-
trial, soccer match). On the same reasoning, the lower per-
ceived muscle soreness found in the current review is also
a potential benecial outcome from CS. The smaller muscle
soreness may be particularly relevant for more prolonged
periods with multiples exhausting physical activities per-
formed with a short recovery period in-between.
17
In one of the studies, competitive runners (VO
2
max
~69 mL.kg.min) completed four 10 km time-trial wearing
control CS (0 mm Hg) and CS with different pressures in
a randomized, counterbalanced order.
11
The runners per-
formed CMJ tests before and after running as a muscle func-
tion indicator. The results showed that CMJ height decreased
after control running. However, CMJ performance was
improved after running wearing CS (low and medium pres-
sure), suggesting a better maintainance of muscle function.
Table 2 (Continued).
Study Potential
Beneted Variable
Summary Effects from CS No Effects from CS
Varela-Sanz et al 2011
26
(experiment 2)
Acute lower cardiac stress
CS resulted in lower cardiac
stress during a test at competition
pace, but none effects for
performance and other
physiological and perceptual
indicators
Lower HR response during a test
at competition pace (ie, 105% best
10 km run)
Time to fatigue
HR
peak
Blood lactate
RPE
VO
2 peak
speed
%VO
2 max
Running economy
Zadow et al 2018
29
Lower brinolytic activity
CS signicantly reduced post-
marathon brinolytic activity
Lower D-Dimer concentrations
post-marathon
Marathon nishing times
Thrombinanti-thrombin complex tissue factor
Tissue factor pathway inhibitor
Notes: **Time under load means the maximal amount of minutes performed at a submaximal speed (ie, 9 to 11 km.h
1
) to ensure over 30 mins running.
Abbreviations: CMJ, countermovement jumps; CS, compression stockings; ES Cohens d, effect size; HR, heart rate; MVC, maximal voluntary contraction; RPE, rating of
perceived exertion; TT, time-trial.
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The authors speculated that improvements in proprioception
to jump and reduced muscle oscillations due to CS probably
collaborated with lower muscle fatigue.
11
In other included study, highly trained runners partici-
pated in 3 simulated trail races (15.6 km, including uphill
and downhill) in a randomized crossover trial.
14
Authors
measured indicators of muscle function (and also muscle
perceived soreness) at baseline, 1, 24, and 48 h after-run.
Muscle function decreased after the race, suggesting the
appearance of fatigue, which was partially counteracted by
CS. More specically, a benecial effect from wearing CS
was found for isometric peak torque at 1 h and 24 h post-
run and for CMJ throughout the 48 h recovery period.
Perceived muscle soreness was also lower when runners
wore CS during trail running compared with the control
condition (1 h and 24 h post-run). Specic muscle con-
tractions during trail running (e.g., eccentric on the down-
hill portion) might result in more extensive muscle
oscillation and soreness. Thus, CS probably reduced the
perceived muscle soreness due to the higher preservation
of muscle function.
14
Miyamoto et al
20
showed that CS promoted a smaller
extent of reduction (- 6.4 ± 8.5% for CS vs. 16.5 ± 9.0%
for control) of the evoked triplet torque, after a fatiguing
protocol (15 sets X 10 repetitions) of calf-raise exercise.
The authors suggested that mitigation of muscle fatigue
observed in their study could be related to increased
venous ow velocity and prevention of the lowering of
the intramuscular pH.
20
Positive CS-induced benets on muscle fatigue was also
described after a soccer match. Female players of both
teams (50% each team, randomly wore CS or control
socks) performed tests (agility T, standing heel-rise, and
YoYo Intermittent Endurance II) 48 h before (baseline)
and immediately after the game. CS resulted in less match-
induced fatigue for agility T-test performance (maintenance
for CS and decrement in control players) and heel-rise test
(both groups had a decrement on the number of repetitions,
but higher in control).
21
In the current review, some researchers found
a benecial CS-effect on the perceived muscle soreness
in lower extremities after the following exercises: high-
intensity continuous 10 km road-running,
10
15.6 km trail
in mountainous terrain,
14
in the second match of soccer
(72 h between the rst game),
17
and 24 h post 5 km time-
trial.
25
Overall, those studies suggested a lower perception
of muscle soreness due to less extensive muscle damage
(lower muscle oscillation), and better proprioception.
However, we cannot rule out a potential placebo effect,
once it is hard to control such bias due to the nature of
compressive CS versus control socks.
CS, Other Potential Benets, and Final
Considerations
Besides performance, muscle soreness, and muscle function
indicators, 15 out of the 21 studies selected in this review
presented other variables inuenced by CS: lower blood
lactate levels,
13,22,23
and brinolytic activity,
29
higher oxy-
gen saturation,
19
after the exercise protocol (recovery).
Also, lower cardiac stress during exercise has been found.
26
Mitigation of exercise-induced muscle damage is
a possible effect according to authors that found benet
from wearing CS in this review. However, none of them
measured blood markers of muscle damage (e.g., creatine
kinase - CK, lactate dehydrogenase - LDH). Curiously, only
three studies measured such markers after-exercise:
amarathonrace,
12
a 15.6 km trail-running,
14
and half-
ironman triathlon competition,
16
and found no effect from
CS. The lack of measurements of muscle damage markers on
several studies herein included may be due to the experimen-
tal design and the fact of onlywearing the CS during the
exercise (i.e., more focus on performance than recovery).
Longer time-points of measurement after the activity (e.g.,
time-course of CK for at least 24 h after-exercise) could be
necessary to detect a signicant change in CK,
38
for example.
Finally, we highlight that in a real-world scenario, ath-
letes probably will not use a promising ergogenic aid to
improve performance (e.g., CS) only once, as the majority
of studies included here. Athletes would perhaps try it in
a couple of training session and one competition before to
make a nal decision. Also, in practical terms, athletes
usually may combine different strategies to improve perfor-
mance and later recovery, such as ischemic
preconditioning,
39,40
myofascial release, and cold water
immersion.
41
Currently, the effects of such strategies (iso-
lated or combined) with CS are unknown. Therefore, the
interpretation of our ndings should have in mind to see
also the forest, not just the leaf.
Conclusions
Wearing below-knee CS during exercise (or sport/physical
activity) improved the actual performance in a small number
of the studies analyzed. However, there is some evidence that
wearing CS could benet muscle fatigue indicators and mus-
cle soreness immediately after and hours after an exercise
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bout (e.g., better recovery until 48 h). Lower muscle fatigue
and muscle soreness might be helpful in subsequent exercises
or more extended periods of intervention (e.g., several
months). Thus, Sports Medicine professionals should con-
sider the individual responses for performance and
a potential placebo (or nocebo) effect. Future studies should
evaluate longer experimental designs (e.g., several weeks)
wearing CS on exercise performance and physiological indi-
cators, once the chronic effects are unknown.
Disclosure
The authors report no conicts of interest in this work.
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... In acute stroke patients, compression stockings are regularly prescribed for the prevention of deep vein thrombosis [13]. Other benefits of compression stockings include an increased anaerobic threshold when walking, increased power output after fatigue, and enhanced post-exercise recuperation [14,15]. One of the most significant physiological effects of compression stockings is a change in sensory feedback. ...
... The use of compression stockings increases power production during repeated activities [16]. In addition, the effects of reducing muscle oscillation and improving joint recognition have been reported in several studies [14,16]. Improvements in visuomotor tracking tasks have also been reported when compression stockings are worn [17]. ...
... Several studies, initially looking at improving motor function, have reported the effectiveness of compression stockings during exercise. An earlier study showed that compression stockings helped with submaximal intensity in physiological domains such as improving oxygen use, increasing blood flow, and reducing muscle oscillation [14]. Compression stockings have also been shown to successfully prevent delayed-onset muscle soreness after sessions of maximal-intensity exercise [39]. ...
Article
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(1) Background: Stroke patients with hemiplegia have an increased risk of developing deep vein thrombosis (DVT). DVT increases the risk of life-threatening pulmonary embolism and is associated with poor prognosis. The early wearing of compression stockings can help prevent DVT. This study aimed to assess the impact of compression stockings on body balance in stroke patients with unilateral lower extremity muscle weakness; (2) Methods: Hemiplegic stroke patients in the subacute phase who were able to walk with assistance were recruited. The patients were divided into two groups: one group received rehabilitation treatment with compression stockings, and the other received treatment without compression stockings. The rehabilitation treatment involved hospitalization for 4 weeks, the Trunk Control Test (TCT), the Trunk Impairment Scale (TIS), and the Berg Balance Scale (BBS). The patients were evaluated before and 4 weeks after the start of treatment. The differences in BBS, TCT, and TIS before and after treatment between the two groups were compared; (3) Results: Altogether, 236 hemiplegic stroke patients were recruited. There was an improvement in body balance after treatment in both groups, and BBS, TCT, and TIS scores significantly increased in the group that received rehabilitation treatment with compression stockings; (4) Conclusions: In patients with hemiplegic stroke in the subacute period, rehabilitation while wearing compression stockings appears to improve body balance.
... Even if newly conducted studies may not be considered novel, results from additional subjects and slightly differing protocols would give further insight into the effects of compression. Definite conclusions about the effects of lower leg compression should be interpreted with caution, considering the different experimental designs (i.e., exercise protocol, duration, intensity, variables measured, fitness level) and populations (i.e., professional athletes, recreational athletes, healthy young adults) (Mota et al., 2020). ...
... Furthermore, in a systematic review, Mota et al., 2020, reported that some studies showed that graduated compression socks induced benefits; however, the underlying mechanisms to explain these benefits are unclear. These studies only suggest possible mechanisms or perceived effects of using graduated compression socks lacking physiological measurements and biological markers to support their conclusions. ...
... The meta-analysis done by Mota et al. (2020) showed that studies reported performance improvements with compression on the individual level (Mota et al., 2020). This suggests that the use of compression most likely has an individualized effect differing between users. ...
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The effects of lower leg compression on cardiorespiratory responses and time to reach exhaustion are still contradictory in the literature. Therefore, the purpose of the study was to determine if lower leg graduated compression socks altered peak cardiorespiratory variables and time to exhaustion during incremental maximal exercise in young adults. Thirty-one healthy participants (weight: 72.1 ± 12.1 kg; height: 170.6 ± 10.2 cm; and body mass index: 24.7 ± 2.5 kg/m2) volunteered to perform a maximal Cardiopulmonary Exercise Test (CPETmax) on a treadmill. Participants visited the laboratory on two separate days to perform the CPETmax test under two different conditions in a repeated measure and randomized design in a counterbalanced order: (1) wearing graduated compression socks (GCS), and (2) not wearing graduated compression socks (NGCS). Peak oxygen uptake (VO2peak), peak carbon dioxide output (VCO2peak), peak respiratory exchange ratio (RERpeak), peak breathing rate (BRpeak) and peak minute ventilation (VEpeak) were collected via a metabolic cart system. Peak heart rate (HRpeak) was measured using a heart rate monitor. Peak systolic blood pressure (SBPpeak) and peak diastolic blood pressure (DBPpeak) were measured by auscultation technique. Exercise time to exhaustion (ETE) was determined by the time from beginning to the end of the exercise. None of the peak cardiorespiratory variables measured, nor the exercise time to exhaustion, showed statistically significant differences between NGCS and GCS. In conclusion, the study results support that lower leg graduated compression did not alter cardiorespiratory responses to incremental maximal exercise and time to reach exhaustion in young, healthy adults. Keywords: graduated compression, maximal exercise, cardiovascular, respiratory, peak oxygen uptake
... The application of CGs after exercise reduced the decline in muscle power and strength [8,10,33], reduced the metabolites and concentrations of serum muscle damage markers [34,35], and improved perceptual measures of recovery, i.e., muscle soreness, vitality, and readiness to train [11,36]. Previous systematic reviews and meta-analyses suggest that CGs may aid faster recovery of exercise-induced muscle damage [5,37,38] by reducing inflammation [39]. However, whilst the use of CGs improved running economy, biomechanical variables (i.e., ground contact time, step frequency, step length, swing time), and perceived body temperature [40], garment wear was not associated with improved sports performance during high-intensity exercise [41]. ...
... The use of CGs to facilitate recovery of exercise-induced muscle damage is supported by encouraging scientific evidence (for reviews, see [5,37,38]); however, paralleling the inconsistencies in study designs, the results are also contradictory concerning how, if at all, CG-induced tissue compression would affect the recovery of muscle strength after physical exercise. Therefore, the purpose of this systematic review with meta-analyses was to determine if wearing a CG during or after physical exercise would reduce the deleterious effects of physical exercise on muscle strength-related outcomes. ...
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Background: The use of compression garments (CGs) during or after training and competition has gained popularity in the last few decades. However, the data concerning CGs’ beneficial effects on muscle strength-related outcomes after physical exercise remain inconclusive. Objective: The aim was to determine whether wearing CGs during or after physical exercise would facilitate the recovery of muscle strength-related outcomes. Methods: A systematic literature search was conducted across five databases (PubMed, SPORTDiscus, Web of Science, Scopus, and EBSCOhost). Data from 19 randomized controlled trials (RCTs) including 350 healthy participants were extracted and meta-analytically computed. Weighted between-study standardized mean differences (SMDs) with respect to their standard errors (SEs) were aggregated and corrected for sample size to compute overall SMDs. The type of physical exercise, the body area and timing of CG application, and the time interval between the end of the exercise and subsequent testing were assessed. Results: CGs produced no strength-sparing effects (SMD [95% confidence interval]) at the following time points (t) after physical exercise: immediately ≤ t < 24 h: − 0.02 (− 0.22 to 0.19), p = 0.87; 24 ≤ t < 48 h: − 0.00 (− 0.22 to 0.21), p = 0.98; 48 ≤ t < 72 h: − 0.03 (− 0.43 to 0.37), p = 0.87; 72 ≤ t < 96 h: 0.14 (− 0.21 to 0.49), p = 0.43; 96 h ≤ t: 0.26 (− 0.33 to 0.85), p = 0.38. The body area where the CG was applied had no strength-sparing effects. CGs revealed weak strength-sparing effects after plyometric exercise. Conclusion: Meta-analytical evidence suggests that wearing a CG during or after training does not seem to facilitate the recovery of muscle strength following physical exercise. Practitioners, athletes, coaches, and trainers should reconsider the use of CG as a tool to reduce the effects of physical exercise on muscle strength.
... Diante da necessidade de manutenção e melhora do desempenho nos esportes competitivos em todos os níveis, diversas estratégias vêm sendo estudadas 4,5,6 , dentre elas exercícios prévios capazes de aumentar a temperatura corporal anterior ao exercício alvo, popularmente chamado de aquecimento 7 . ...
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O objetivo do presente estudo foi avaliar os efeitos do exercício prévio específico sobre o desempenho em teste intermitente de alta intensidade em jogadoras de futsal e variáveis associadas. Para isso 13 jogadoras amadoras de futsal (24,1 anos; 63,6 kg; 1,61 m; IMC = 24,3 kg/m2; % de gordura = 27,9), de maneira cruzada, passaram por duas sessões experimentais separadas por sete dias. Em uma das sessões era realizado um exercício prévio (EP): três primeiros níveis do Yo Yo intermittent recovery test level 1 (YYIR1) repetidos por três vezes. Na sessão controle (CON), as jogadoras permaneciam em repouso (5 min) e após, em ambas as sessões, era realizado o YYIR1 até a exaustão. Antes do início da sessão eram reportadas escalas de recuperação e dor muscular de início tardio, a frequência cardíaca (FC) foi monitorada por toda sessão e, ao término, a percepção de esforço (PSE) era registrada. As percepções de recuperação (p = 0,23) e de dor (p = 0,36) não diferiram entre as sessões EP vs. CON. A FC média durante o exercício prévio foi de 111,3 ± 7,7 bpm. A distância percorrida no YYIR1 não diferiu (p = 0,25) também entre EP (372,3 ± 103,8 m) vs. CON (341,5 ± 84,2 m), bem como a monitoração da FC (mínima, média e máxima). Entretanto, a PSE foi menor (p = 0,0008) na sessão EP (8,5 ± 0,7 UA) do que em CON (9,3 ± 0,6 UA). Assim, concluímos que o exercício prévio não influencia o desempenho intermitente de alta intensidade (YYIR1), nem as variáveis de FC. Porém, o exercício prévio gera menores níveis de percepção de esforço (intensidade interna) em comparação ao repouso antes do YYIR1.
... Heterogeneous outcomes have been reported on the topic also by the most recent reviews, with data showing no benefit 424 while others demonstrated a positive impact on muscle performance and symptomatology. 425 Specific research was done also on not athletic subjects reporting potential benefit of graduated compression on exercise performance also in this kind of population. 426 A strong focus on the type of compression used and of related physical activity should be developed in order to avoid reviewing data coming from too heterogeneous settings. ...
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Published scientific evidence demonstrate the current spread of healthcare misinformation in the most popular social networks and unofficial communication channels. Up to 40% of the medical websites were identified reporting inappropriate information, moreover being shared more than 450,000 times in a 5-year-time frame. The phenomenon is particularly spread in infective diseases medicine, oncology and cardiovascular medicine. The present document is the result of a scientific and educational endeavor by a worldwide group of top experts who selected and analyzed the major issues and related evidence-based facts on vein and lymphatic management. A section of this work is entirely dedicated to the patients and therefore written in layman terms, with the aim of improving public vein-lymphatic awareness. The part dedicated to the medical professionals includes a revision of the current literature, summing up the statements that are fully evidence-based in venous and lymphatic disease management, and suggesting future lines of research to fulfill the still unmet needs. The document has been written following an intense digital interaction among dedicated working groups, leading to an institutional project presentation during the Universal Expo in Dubai, in the occasion of the v-WINter 2022 meeting.
... With the inadequate blinding in compression research, the placebo effect for participants and an increased risk of bias and interpretation by researchers cannot be discounted. Similar concerns have been highlighted in previous SCG reviews [1,26,27,46,49,127,128]. As placebo interventions may alter cardiovascular function (i.e. the tone of blood vessels, blood pressure, heart rate variability) [129,130], future compression research should incorporate a placebo intervention (e.g. ...
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Background One of the proposed mechanisms underlying the benefits of sports compression garments may be alterations in peripheral blood flow.Objective We aimed to determine if sports compression garments alter measures of peripheral blood flow at rest, as well as during, immediately after and in recovery from a physiological challenge (i.e. exercise or an orthostatic challenge).Methods We conducted a systematic literature search of databases including Scopus, SPORTDiscus and PubMed/MEDLINE. The criteria for inclusion of studies were: (1) original papers in English and a peer-reviewed journal; (2) assessed effect of compression garments on a measure of peripheral blood flow at rest and/or before, during or after a physiological challenge; (3) participants were healthy and without cardiovascular or metabolic disorders; and (4) a study population including athletes and physically active or healthy participants. The PEDro scale was used to assess the methodological quality of the included studies. A random-effects meta-analysis model was used. Changes in blood flow were quantified by standardised mean difference (SMD) [± 95% confidence interval (CI)].ResultsOf the 899 articles identified, 22 studies were included for the meta-analysis. The results indicated sports compression garments improve overall peripheral blood flow (SMD = 0.32, 95% CI 0.13, 0.51, p = 0.001), venous blood flow (SMD = 0.37, 95% CI 0.14, 0.60, p = 0.002) and arterial blood flow (SMD = 0.30, 95% CI 0.01, 0.59, p = 0.04). At rest, sports compression garments did not improve peripheral blood flow (SMD = 0.18, 95% CI − 0.02, 0.39, p = 0.08). However, subgroup analyses revealed sports compression garments enhance venous (SMD = 0.31 95% CI 0.02, 0.60, p = 0.03), but not arterial (SMD = 0.12, 95% CI − 0.16, 0.40, p = 0.16), blood flow. During a physiological challenge, peripheral blood flow was improved (SMD = 0.44, 95% CI 0.19, 0.69, p = 0.0007), with subgroup analyses revealing sports compression garments enhance venous (SMD = 0.48, 95% CI 0.11, 0.85, p = 0.01) and arterial blood flow (SMD = 0.44, 95% CI 0.03, 0.86, p = 0.04). At immediately after a physiological challenge, there were no changes in peripheral blood flow (SMD = − 0.04, 95% CI − 0.43, 0.34, p = 0.82) or subgroup analyses of venous (SMD = − 0.41, 95% CI − 1.32, 0.47, p = 0.35) and arterial (SMD = 0.12, 95% CI − 0.26, 0.51, p = 0.53) blood flow. In recovery, sports compression garments did not improve peripheral blood flow (SMD = 0.25, 95% CI − 0.45, 0.95, p = 0.49). The subgroup analyses showed enhanced venous (SMD = 0.67, 95% CI 0.17, 1.17, p = 0.009), but not arterial blood flow (SMD = 0.02, 95% CI − 1.06, 1.09, p = 0.98).Conclusions Use of sports compression garments enhances venous blood flow at rest, during and in recovery from, but not immediately after, a physiological challenge. Compression-induced changes in arterial blood flow were only evident during a physiological challenge.
... 8 Studies investigating compression applied by belowknee garments (stockings, calf socks) show little demonstratable effect on RE 6 or performance. 9 However, unlike stockings, full-length tights compress the large musculature of the upper-leg as well as the lower-leg. Compression applied to the upper-leg and hip region produce smaller knee flexion and valgus angles during drop-landing 10 and a reduction in muscle oscillation during submaximal running. ...
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The effect of compression tights on running economy is unclear. The purpose of this investigation was to assess the influence of compression tights on economy. Following an incremental test to exhaustion to determine aerobic capacity (V̇O 2max) and peak running speed (vV̇O 2max), twenty-six moderately endurance-trained males (28 ± 7 years; 76.1 ± 8.4 kg; V̇O 2max = 54.7 ± 4.8 mL·kg −1 ·min −1) were allocated to either a 60% (n = 8), 62.5% (n = 9) or 65% vV̇O 2max group (n = 9) using block randomisation. Participants ran for 15 min at the allocated vV̇O 2max with compression tights and a non-compression control condition in a randomised, counterbalanced order, separated by seven days. Oxygen consumption (V̇O 2) and expired carbon dioxide (V̇CO 2) was measured to determine economy as caloric unit cost. No difference was observed between conditions for the 60% and 62.5% vV̇O 2max groups, however economy was improved with compression at 65% vV̇O 2max (P < 0.01). Combined analysis of all participants revealed ΔRE (Δ = control − compression) correlated with relative aerobic capacity (%V̇O 2max) (r = 0.50, P < 0.01) but not running speed (r = 0.04, P < 0.84). These data suggest that compression tights influence economy at 65% vV̇O 2max or at relative exercise intensities of approximately 75-85%V̇O 2max .
... Results on exercise performance are mixed, with some studies showing improved time to exhaustion and delayed lactate threshold (1,24,30,41) and others demonstrating little or no effect on exercise performance assessed using race times (5,6,35,42,45,48). However, recent reviews by Mota et al. (37) and Engel et al. (20) found evidence of reduced muscle soreness and muscle fatigue, and a study by Berry et al. (5) found faster lactate removal following exercise when using below-knee CS in athletic populations, suggesting that CS may improve athletic performance indirectly when worn in training by speeding recovery and enhancing subsequent exercise performance. ...
Article
In athletic populations, compression socks (CS) may improve exercise performance recovery. However, their potential to improve performance and/or recovery following exercise in non-athletic populations is unknown. Our study evaluated the effects of CS on exercise performance and recovery from a graded maximal treadmill test. Insufficiently active adults (n = 10, 60% female, average physical activity ~60 minutes/week) performed two graded maximal exercise tests; one while wearing below-knee CS, and the other trial with regular socks (CON). Order of trials was randomized. For both trials, heart rate, lactate, and rating of perceived exertion were measured at each stage and at one, five, and ten-minutes post-exercise. Additionally, recovery variables (soreness, tightness, annoyingness, tenderness, pulling) were measured at 24 and 48 hours post-exercise using a visual analog scale. Paired-samples t-tests were used to compare exercise and recovery variables between CS and CON trials. Heart rate, lactate, and rating of perceived exertion were not different between trials for any stage during the exercise test or immediate recovery. Most 24-and 48-hour recovery variables were significantly improved after the CS trial, with values 34.6 - 42.3% lower at 24 hours and 40.3 - 61.4% lower at 48 hours compared to CON. Compression socks provided a significant and meaningful improvement in recovery variables 24-48 hours following maximal exercise. Therefore, CS may remove a common barrier to exercise adherence and facilitate more effective training recovery for insufficiently active adults.
... Medical compression therapy has been successfully established for a high number of medical treat-37 ments. Common indications are the treatment of venous and lymphatic diseases, the prophylaxis of 38 leg vein thrombosis during immobilization and the support of athletes [1][2][3]. However, compression 39 stockings (CS) are also used more frequently in occupations associated with prolonged orthostasis [4]. ...
Article
Background: Edema caused by orthostasis is a common clinical picture in the medical and occupational context. Medical compression therapy with compression stockings (CS) is considered a conservative therapeutic standard in edema therapy. The effect of CS on leg discomfort and the increase of the lower leg volume during a standing load still remains questionable. In addition, it is not entirely known whether there is a correlation between volume increase and discomfort in these individuals. Method: A timed, controlled standing load of 15 min was conducted by the participants in this non-randomized controlled study to analyze the change in and correlation between lower leg volume increase and the occurrence of lower leg discomfort under compression therapy. Below-knee CS with an interface pressure of 23-32 mmHg were used. The lower leg volume was measured following previous studies using an optical three-dimensional volume (ml) measurement system, and sensations of discomfort and the urge to move were asked about using a numerical rating scale (NRS) of 0-10. The subjects conducted a leg movement for 15 s immediately after the standing period; the data were collected again subsequently. A correlation was calculated between the lower leg volume and the data regarding the discomfort and urge to move for each participant. The experiments had already been performed as part of a previous study including the same subjects who did not wear CS. The results of the study conducted here were compared with those of the participants who did not wear CS to investigate the effect of the CS. Results: Lower leg volume increased by an average of 27 ml (p < 0.001) (without CS: by 63 ml) during standing load in the right leg. During the leg movement after standing load, the lower leg volume increased by 5 ml (n.s.). The sensations of discomfort during the orthostasis increased by 2.6 points on the NRS (p < 0.001) (without CS: by 3.46 points) and decreased by 1.67 points (p < 0.001) during the leg movement shortly after the standing period. Participants' urge to move increased by 3.73 points on the NRS (p < 0.001) (without CS: by 3.47 points) while the participants performed the standing period and decreased by 2.73 points (p < 0.001) during the final movement exercise. A weakly significant correlation could be demonstrated between the increase in the lower leg volume and the occurrence of discomfort in 6 out of 13 subjects (p < 0.1), and between the increase in the lower leg volume and the urge to move in 8 out of 15 subjects (p < 0.1). Conclusion: Standing loads and lack of movement lead to an increase in the lower leg volume and sensation of discomfort in venous healthy subjects wearing CS, which are reduced by wearing them (p < 0.001). A weakly significant mathematical correlation (Pearson's correlation coefficient) could be shown between the increase in the lower leg volume and the occurrence of the urge to move in 8 out of 15 subjects (p < 0.1) and between the increase in lower leg volume and the occurrence of leg discomfort in 6 out of 13 subjects (p < 0.1).
Article
Compression sportswear is specialized clothing chiefly designed for the athletes muscle fatigue reduction. Compression stockings are widely used in sportswear to support muscles and control excessive body vibrations. Compression/interface pressure between the wearer and stocking’s surface is considerable in compression sportswear efficacy. However, thermo-physiological comfort is also influential while preparing summer sportswear. The research investigates the effect of fibers type and the inlay yarns number of covering filaments on compression, air permeability, water vapor permeability, and thermal resistance of sportswear compression stockings. Three different fibers, sorbtek (channelized polyester), nylon 6, and micro Nylon (polyamide-6), have been used as main yarns. Also, three distinct levels of covering yarn number of filaments have been utilized. Data have been statistically analyzed using full factorial design of experiment and regression analysis to predict fiber type and the number of covering yarn filaments for achieving desired comfort properties without compromising compression characteristics.
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Purpose: The ergogenic effect of ischemic preconditioning (IPC) on endurance exercise performed in hypoxia remains debated and has never been investigated with successive exercise bouts. Therefore, we evaluated if IPC would provide immediate or delayed effects during two 5 km cycling time-trials (TTs) separated by ~1 h in hypoxia. Methods: In a counterbalanced randomized cross-over design, thirteen healthy males (27.5 ± 3.6 years) performed two maximal cycling 5 km TTs separated by ~1 h of recovery (TT1 25 min and TT2 2 h post IPC/SHAM), preceded by IPC (3 × 5 min occlusion 220 mmHg/reperfusion 0 mmHg, bilaterally on thighs) or SHAM (20 mmHg) at normobaric hypoxia (inspired fraction of oxygen [FIO2] of 16%). Performance and physiological (i.e., oxyhemoglobin saturation, heart rate, blood lactate, and Vastus Lateralis oxygenation) parameters were recorded. Results: Time to complete (P = 0.011) 5 km TT and mean power output (P = 0.005) from TT1 to TT2 were worse in SHAM, but not in IPC (P = 0.381/P = 0.360, respectively). There were no differences in time, power output or in physiological variables during the two TTs between IPC and SHAM. All muscle oxygenation indices differed (P < 0.001) during the IPC/SHAM with a greater deoxygenation in IPC. During the TTs, there was a greater concentration of total hemoglobin ([tHb]) in IPC than SHAM (P = 0.047) and greater [tHb] in TT1 than TT2. Further, the concentration of oxyhemoglobin ([O2Hb]) was lower during TT2 than TT1 (P = 0.005). Conclusion: In moderate hypoxia, IPC allowed maintaining a higher blood volume during a subsequent maximal exercise, mitigating the performance decrement between two consecutive cycling time-trials.
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Gimenes, SV, Marocolo, M, Pavin, LN, Pagoto Spigolon, LM, Neto, OB, Côrrea da Silva, BV, Duffield, R, and Ribeiro da Mota, G. Compression stockings used during two soccer matches improve perceived muscle soreness and high-intensity performance. J Strength Cond Res XX(X): 000-000, 2018-Evidence on the use of compression stockings (CS) during soccer matches is limited. Thus, we evaluated the acute effects of CS on match-based physical performance indicators and perceptual responses during 2 consecutive soccer matches with 72-hour recovery. Twenty outfield players were randomly allocated to the CS group (20-30 mm Hg) or control group (non-CS) and performed 2 matches (5 players using CS or regular socks per team/match). Match loads {rating of perceived exertion × minutes; CS ∼830 vs. control 843 (arbitrary units [AU])} and heart rate (HR) responses (both CS and control ∼86% HRpeak) did not differ (p > 0.05) between CS and control groups. Although total distance covered did not differ (p > 0.05) between groups, CS increased distances (effect size [ES] = 0.9-1.32) in higher-speed zones (>19 km·h CS ∼550 m vs. control ∼373 m) alongside an increased number of accelerations (-50.0 to -3.0 m·s) than control (CS: 33.7 ± 11.2 vs. control: 23.8 ± 7.9; p = 0.003; ES = 1.04). Perceived recovery did not differ (p > 0.05) between groups for either match but was worse in the second match for both groups. Perceived muscle soreness increased in control after match 2 (from 3.1 ± 1.9 to 6.3 ± 1.6 AU; p < 0.0010) but did not in CS (from 2.8 ± 1.4 to 4.1 ± 1.9 AU; p = 0.6275; ES = 1.24 CS vs. control after match). Accordingly, CS use during 2 soccer matches with 72-hour recovery reduces perceived muscle soreness in the second match and increases higher-speed match running performance.
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Brief moments of blood flow occlusion followed by reperfusion may promote enhancements in exercise performance. Thus, this study assessed the 24-h effect of post-exercise ischemic conditioning (PEIC) on exercise performance and physiological variables in trained cyclists. In a randomized, single-blind study, 28 trained cyclists (27.1 ± 1.4 years) performed a maximal incremental cycling test (MICT). The outcome measures were creatine kinase (CK), muscle soreness and perceived recovery status, heart rate, perceived exertion and power output. Immediately after the MICT, the cyclists performed 1 of the following 4 interventions: 2 sessions of 5-min occlusion/5-min reperfusion (PEIC or SHAM, 2 x 5) or 5 sessions of 2-min occlusion/2-min reperfusion (PEIC or SHAM, 5 x 2). The PEIC (50 mm Hg above the systolic blood pressure) or SHAM (20 mm Hg) treatment was applied unilaterally on alternating thighs. At 24 h after the interventions, a second MICT was performed. In all the groups, the CK levels were increased compared with the baseline (p < 0.05) after the 24-h MICT. The PEIC groups (2 x 5 and 5 x 2) felt more tired at 24 h post intervention (p < 0.05). However, both PEIC groups maintained their performance (2 x 5: p = 0.819; 5 x 2: p = 0.790), while the SHAM groups exhibited decreased performance at 24 h post intervention compared to baseline (2 x 5: p = 0.015; 5 x 2: p = 0.045). A decrease in the maximal heart rate (HR) was found only in the SHAM 2 x 5 group (p = 0.015). There were no other significant differences in the heart rate, power output or perceived exertion after 24 h compared with the baseline values for any of the interventions (p > 0.05). In conclusion, PEIC led to maintained exercise performance 24 h post intervention in trained cyclists.
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Soccer-induced fatigue and performance are different between the sexes. The effect of compression stockings (CS) use on fatigue during the soccer match in females is unknown. Thus, we evaluated the impact of CS use during a female soccer match on match-induced fatigue. Twenty soccer players were randomly allocated to two groups (n = 10 for each group): CS and Control (regular socks), and equally distributed within two teams. At rest (baseline 48-h before the match) and immediately post-match, we assessed agility T-test, standing heel-rise test and YoYo Intermittent Endurance Test level 2 (YoYoIE2) performance. Effort during the match (heart rate and rating of perceived exertion) was similar (p > 0.05) between groups. The YoYoIE2 performance was decreased post-match (p < 0.05) equally for both groups. Otherwise, the CS group exhibited a greater post-match performance (p < 0.05) for the agility T-test and heel-rise test (large effect sizes). Therefore, we conclude that the use of CS during an amateur female soccer match resulted in less match-induced fatigue.
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Purpose: Compression socks are frequently used in the treatment and prevention of lower-limb pathologies; however, when combined with endurance-based exercise, the impact of compression socks on haemostatic activation remains unclear. Objectives: To investigate the effect of wearing compression socks on coagulation and fibrinolysis following a marathon. Methods: Sixty-seven participants [43 males (mean ± SD: age: 46.7 ± 10.3 year) and 24 females (age: 40.0 ± 11.0 year)] were allocated into a compression (SOCK, n = 34) or control (CONTROL, n = 33) group. Venous blood samples were obtained 24 h prior to and immediately POST-marathon, and were analyzed for thrombin-anti-thrombin complex (TAT), tissue factor (TF), tissue factor pathway inhibitor (TFPI), and D-Dimer. Results: Compression significantly attenuated the post-exercise increase in D-Dimer compared to the control group [median (range) SOCK: + 9.02 (- 0.34 to 60.7) ng/mL, CONTROL: + 25.48 (0.95-73.24) ng/mL]. TF increased following the marathon run [median (range), SOCK: + 1.19 (- 7.47 to 9.11) pg/mL, CONTROL: + 3.47 (- 5.01 to 38.56) pg/mL] in all runners. No significant post-exercise changes were observed for TAT and TFPI. Conclusions: While activation of coagulation and fibrinolysis was apparent in all runners POST-marathon, wearing compression socks was shown to reduce fibrinolytic activity, as demonstrated by lower D-Dimer concentrations. Compression may reduce exercise-associated haemostatic activation when completing prolonged exercise.
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Objectives: To assess the effect of wearing compression socks on immediate and subsequent 5 km running time trials, with particular attention to the influences on physiological, perceptual and performance-based parameters. Design: Counter-balanced cross-over experiment. Methods: Twelve male runners (mean ± SD 5 km run time 19:29 ± 1:18 min:s) each completed two experimental sessions. Sessions consisted of a standardised running warm-up, followed by a 5 km time trial (TT1), a one hour recovery period, then a repeat of the warm-up and 5 km time trial (TT2). One session required the use of sports compression socks during the first warm-up and time trial (COMP), while the other did not (CON). Results: The decline in run performance in CON from TT1 to TT2 was moderate and significantly greater than that experienced by runners in COMP (9.6 s, d = 0.67, p < 0.01). No difference was found between experimental conditions for oxygen consumption, blood lactate or calf volume (p = 0.61, 0.54, 0.64, respectively). Perceptual measures of muscle soreness, fatigue and recovery were also similar between trials (p = 0.56, 1.00 & 0.61, respectively). Conclusions: Wearing sports compression socks during high intensity running has a positive impact on subsequent running performance. The underlying mechanism of such performance enhancement remains unclear, but may relate to improved oxygen delivery, reduced muscle oscillation, superior running mechanics and athlete beliefs.
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Background: Although compression garments are used to improve sports performance, methodological approaches and the direction of evidence regarding garments for use in high-intensity exercise settings are diverse. Objectives: Our primary aim was to summarize the association between lower-limb compression garments (LLCGs) and changes in sports performance during high-intensity exercise. We also aimed to summarize evidence about the following physiological parameters related to sports performance: vertical jump height (VJ), maximal oxygen uptake (VO2max), submaximal oxygen uptake (VO2submax), blood lactate concentrations ([La]), and ratings of perceived exertion (RPE, 6-20 Borg scale). Methods: We searched electronic databases (PubMed, EMBASE, Cochrane Library, and ClinicalTrials.gov) and reference lists for previous reviews. Eligible studies included randomized controlled trials with athletes or physically active subjects (≥ 18 years) using any type of LLCG during high-intensity exercise. The results were described as weighted mean difference (WMD) with a 95% confidence interval (95% CI). Results: The 23 included studies showed low statistical heterogeneity for the pooled outcomes. We found that LLCGs yielded similar running performance to controls (50-400 m: WMD 0.06 s [95% CI - 1.99 to 2.11]; 800-3000 m: WMD 6.10 s [95% CI - 7.23 to 19.43]; > 5000 m: WMD 1.01 s [95% CI - 84.80 to 86.82]). Likewise, we found no evidence that LLCGs were superior in secondary outcomes (VJ: WMD 2.25 cm [95% CI - 2.51 to 7.02]; VO2max: WMD 0.24 mL.kg-1.min-1 [95% CI - 1.48 to 1.95]; VO2submax: WMD - 0.26 mL.kg-1.min-1 [95% CI - 2.66 to 2.14]; [La]: WMD 0.19 mmol/L [95% CI - 0.22 to 0.60]; RPE: WMD - 0.20 points [95% CI - 0.48 to 0.08]). Conclusions: LLCGs were not associated with improved performance in VJ, VO2max, VO2submax, [La], or RPE during high-intensity exercise. Such evidence should be taken into account when considering using LLCGs to enhance running performance.
Article
Objective: Despite the modern appeal of wearing compressive garments during physical activities, the literature is lacking in quality data and controversial in the investigations dealing with the pathophysiologic mechanism by which graduated compression stockings (GCS) affect the calf pump activation in healthy individuals. The aim of the investigation was to provide insight into the clinical effects of GCS use during a standardized walking exercise. Methods: Twenty physically active healthy volunteers (mean age, 34 ± 5 years; body mass index, 22 ± 2 kg/m2) underwent lower limb ultrasound scanning to exclude vascular impairment. All individuals performed continuous aerobic exercise, walking for 30 minutes on a treadmill, under cardiac monitoring, at 70% of individual estimated maximal heart rate according to the Tanaka equation. The study population performed the standardized walk without GCS (baseline) and at 1 week performed the same standardized walk wearing knee-length 20 to 30 mm Hg GCS (compression). All individuals underwent a lower limb volume assessment by truncated cone formula before and after the walk and a perceived exertion assessment by means of the validated Borg scale at the end of the exercise protocol. Results: All individuals had normal venous and arterial ultrasound examination findings. No significant postural defects were reported. Both legs were assessed in all 20 individuals for a total of 40 cases with and 40 cases without GCS. In the baseline group, the median (interquartile range) lower limb volume changed from 2496 (770) mL before exercise to 2512 (805) mL (P = .2597) after exercise. The compression group reported a significant lower limb volume change from 2466 (670) mL before exercise to 2276 (567) mL (P = .0001) after exercise. Mean perceived exertion was 13 (11) and 11 (1) in the baseline and compression groups, respectively (P = .0001). The interface pressure exerted by the GCS was 24 (2) mm Hg. No complaints in terms of discomfort were reported after use of GCS. Conclusions: In healthy individuals, GCS (24 [2] mm Hg) use during a continuous standardized walk of 30 minutes is associated with a significant decrease in lower limb volume and a decrease in perceived exertion. The mechanism by which GCS impart their effect during physical activity may involve improved muscle pump function and reductions in inflammatory pathways. Further study will need to validate the mechanisms of the function of GCS used during physical exercise.
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Context: Compression socks have become increasingly popular with athletes due to perceived enhancement of exercise performance and recovery. However, research examining the efficacy of compression socks to reduce exercise-associated muscle damage has been equivocal, with few direct measurements of markers of muscle damage. Objective: To examine the influence of compression socks worn during a marathon on creatine kinase (CK) levels. Design: A Randomized-Controlled Trial. Setting: 2013 Hartford Marathon, Hartford, CT. Participants: Adults (n=20) randomized to (CONTROL; n=10) or compression sock (SOCK; n=10) groups. Main outcome measures: Blood samples were collected 24hr before, immediately after, and 24hr following the marathon for analysis of CK, a marker of muscle damage. Results: Baseline CK levels did not differ between CONTROL (89.3±41.2 U/L) and SOCK (100.0±56.2 U/L) (p=0.633). Immediately following the marathon (≤1hr), CK increased 273% from baseline (p<0.001 for time), with no difference in exercise-induced changes in CK from baseline between CONTROL (+293.9±278.2 U/L) and SOCK (+233.1±225.3 U/L; p=0.598 for time x group). The day following the marathon (≤24hr), CK further increased 1094% from baseline (p<0.001 for time), with no difference in changes in CK from baseline between CONTROL (+1191.9±1194.8 U/L) and SOCK (+889.1±760.2 U/L; p=0.529 for time x group). These similar trends persisted despite controlling for potential covariates such as age, body mass index, and race finishing time (ps>0.291). Conclusions: Compression socks worn during a marathon do not appear to mitigate objectively measured markers of muscle damage immediately following and 24hr after a marathon.