Abstract

Background: Regular aerobic exercise reduces body fat and improves weight control, increases HDL&Vo2 max. With increased awareness about the importance of fitness many people are taking various modalities of treatments and exercise programs. Though aerobic exercise is found to reduce body fat, the relative merits of different intensities of aerobic exercise in reducing body fat in overweight people is still uncertain. Objectives: 1.To S tudy the Effects of High and Low intensity aerobic exercise on body fat composition of overweight young men.2.To study socioeconomic status & dietary habits among study population Materials and Method: 80 sedentary men (18-40 years) were randomized in to 2 equal groups (High Intensity & low intensity group). Anthropometry like Height, weight, BMI, WHR (waist hip ratio) was recorded. Body fat percentage was measured using skin fold thickness method. The High [80% HR max] & Low intensity [50 % HR max] groups underwent aerobic exercise training using Bicycle ergo meter (COSCO MODEL-CEB-JK-7007 A) at 900kpm & 540kpm, for 15mins/day & 30mins/day respectively, 5days a week, for a period of 12weeks. Results: After 12weeks of aerobic training the mean body fat percentage reduced in both High & low intensity groups .However the reduction in body fat percentage in high intensity group was statistically significant (p<0.05). Whereas the reduction in body fat percentage in low intensity group was not statistically significant. Conclusion: High intensity aerobic training is more effective in reducing the BF% than low intensity aerobic training in overweight men.

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