Article

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
Source: PubMed

ABSTRACT

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.

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    • "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[50]. "

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