Effect of an iso-intense continuous and intermittent training programme on VO2 max and anthropometric profile of sedentary males

Asok Kumar Ghosh, Nur-Hasanah Ruslan


AbstractThe purpose of this study was to investigate the effectiveness of an iso-intense continuous and intermittent training program on maximum aerobic capacity ( O2 max) and other anthopometric profiles, like, body mass index (BMI) and fat mass of sedentary males. 24 healthy sedentary males of 21.8±3.7
years participated in this study. They were divided into 3 groups, like, control group (n=9), continuous training group (n=7) and intermittent training group (n=8). Exercise group performed the training 3 days per week up to 12 week.The study was approved by ethical committee of the UniversitiSains Malaysia, KubangKerian, Kelantan, Malaysia. O2 max of each individual was determined following a graded exercise protocol to exhaustion, on an Excalibur Lode Cycle ergometer. For continuous exercise, subjects cycledat 60% of individual O2 max for 45 minute on an ergometer. In intermittent training, the subjects cycled at 45% of individual O2 max for 10 min followed by 5 min rest and then at 75% of individual O2 max for 10 min followed by 5 min rest. This repetition continued until 45 min. Both the training programme were made
iso-intense. The relative O2max of both the continuous and intermittent training groups improved significantly, but the degree of improvement was more in intermittent training programme. No improvement was observed in BMI. Regular physical activity is a part of healthy lifestyle that is known to reduce risk of cardiovascular disease. Hence, in conclusion, our study indicated a beneficial effect of exercise training in improving the cardiorespiratory fitness ( O2 max), through continuous and intermittent training programme.

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