JOURNAL
EFFECTS OF HIGH-LOW INTENSITY OF AEROBIC EXERCISE ON BODY COMPOSITION IN OVERWEIGHT FEMALES
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~~The purpose of this study was to investigate the effects of eight weeks of high and low aerobic exercise  on body composition parameters in overweight females. Twenty overweight females (body mass index ≥ 25 kg/m2), aged between 18-21 years, volunteered to participate in this study and were divided into two groups according to percentage of body fat. The low intensity aerobic exercise group (LG; N=10) worked at 50-60 % HRmax, 40 minutes, 3 days a week for 8 weeks. The high intensity aerobic exercise group (HG; N=10) worked at 70-85 % HRmax, 40 minutes, 3 days a week for 8 weeks. We found that  body weight and body fat was decreased in HG than in LG (56.32 ±2.53 vs. 58.25 ±2.26, p<0.05; and 31.95 ±1.98 vs 33.93 ±1.67, p<0.05; respectively) However, maximal oxygen consumption (VO2 MAX) was higher in HG than in LG (VO2 MAX vs mL/min/kg, p< 0.05). There were no significant difference between the pre-test and post-test in the high intensity and low intensity groups for systolic BP and diastolic BP (p>0.05) respectively. There was a  negative correlation between body weight and body fat (r2=,494 p>0.05) in low intensity group but a significant correlation between body weight and body fat (r2=0.445, p<0.05) in high intensity group. 

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