Six weeks of aerobic dance exercise improves blood oxidative stress status and increases interleukin-2 in previously sedentary women
Oxidative Stress and Exercise Biochemistry Laboratory, Department of Physical Therapy, Faculty of Associated Medical Sciences, Chiang Mai University, Chiang Mai 50200, Thailand. Journal of bodywork and movement therapies
07/2011; 15(3):355-62. DOI: 10.1016/j.jbmt.2010.03.006
This study evaluated the change in blood oxidative stress, blood interleukin-2, and physical performance following 6 weeks of moderate intensity and duration aerobic dance exercise in 24 sedentary women. Blood samples were collected at rest twice before (baseline) and after the 6-week intervention for analysis of protein hydroperoxide (PrOOH), malondialdehyde (MDA), total anti-oxidant capacity (TAC), and interleukin-2 (IL-2) levels. Maximal treadmill run time (Time(max)) and maximal oxygen consumption (VO(2max)) were also measured. All variables were statistically analyzed with a repeated measurement ANOVA and Tukey post hoc. No differences were noted in any variable during the baseline period (p > 0.05). After aerobic dance exercise, VO(2max), Time(max), TAC and IL-2 were significantly increased, whereas MDA levels were decreased significantly (p < 0.05). PrOOH did not change either between baseline measures or after exercise. It can be concluded that aerobic dance exercise at a moderate intensity and duration can improve physical fitness, decrease MDA, and increase TAC and IL-2 in previously sedentary women.
Available from: Lars Donath
- "Based on previous literature[18,22,25,48,49], we assumed a mean VO 2peak of 25 to 35 mL/kg/min in women between 45 and 65 years of age, a standard deviation of 5 mL/kg/min and a correlation between baseline and follow-up VO 2peak of 0.7. A 3.5-mL/kg/min (= 1 MET, metabolic equivalent) higher fitness level was associated with a 13% risk reduction of all-cause mortality and a 15% lower risk for cardiovascular disease events or death in men and women according to epidemiological data. "
Available from: Evrim Çakmakçi
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ABSTRACT: The purpose of this study was to assess the effects of aerobic dance exercise on body composition in sedentary overweight women. In this study, Total 55 adult sedentary women participated as volunteers. The age, height and weight averages of the subjects exercise and control group were respectively 35,10±9,12 years, 1,60±5,22 m and 68,55±6,73 kg (n=29) and 30,27±10,85 years, 1,59±5,53 cm and 61,25±8,38 kg (n=26). Body composition (via skinfolds caliper), waist hip ratio, waist circumference were measured and body fat percentage, Basal Metabolic Rate and Lean Body Mass were calculated at sedentary women. The measurements were taken twice as before and after aerobic-dance exercise being applied an 8-week series of one hour exercise three days per week. The control group did not participate in any physical activity during the six-week period. There were significant differences between pretest and posttest for weight, body mass index, waist circumference, waist hip ratio, metabolic and body composition parameters in exercise group (p<0,05). Besides there were significantly decreased body weight, Lean Body Mass, Basal Metabolic Rate and fat percentage (p<0,05). Furthermore, there were not significant differences between pretest and posttest for waist circumference, waist hip ratio, body composition parameters, Lean Body Mass, Basal Metabolic Rate, body weight and body fat percentage in control group(p>0,05). As a result, it can be say that aerobic dance exercise at a moderate intensity and duration can improve physical fitness and can decrease body fat percentage, Lean Body Mass and Basal Metabolic Rate during weight loss.
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ABSTRACT: Leptin is the product of the ob gene and circulates as a 16 kDa protein hormone. High-sensitivity C-reactive protein (hs-CRP) is known to be a sensitive marker of inflammation and cardiovascular risk factor and malondialdehyde (MDA) is a direct marker of oxidative stress and naturally occurring product of lipid peroxidation. The resting serum leptin, hs-CRP and MDA levels of elite adolescent soccer players and physically active adolescents were investigated. Eighteen elite adolescent soccer players aged 14.3 +/- 0.3 years and eighteen physically active subjects aged 14.6 +/- 0.4 years participated in the study. Resting serum leptin levels were not different, but hs-CRP and MDA levels were higher in adolescent elite soccer players compared to physically active adolescents. Therefore, participation in prolonged soccer training increased resting serum hs-CRP and MDA levels but had no effect on resting serum leptin compared to participation in sports activities/classes in adolescents.
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