Abstract

This study has analyzed the changes of body composition, V·O2max, and Oxidative stress after high-intensity with short-time interval training. Participatients who have accumulated over 30% of body fat mass were divided into two group: the group having high-intensity with short-time interval training group (IT; 20sec. at 90-95% HRR and 100 sec. at 40% HRR for the work and the recovery phases of the interval) and continuous training group (CT; 30 min at 65-75% HRR). All data was analyzed 16 weeks after exercise. The result of the study can be described as follows; As for change rate difference between groups, The body fat mass decreased more significant at IT groups compared to CT(p.001). The VO2max increased more significant at IT groups compared to CT(p.01). The malondialdehyde decreased more significant at IT groups compared to CT(p.001), and total antioxidant status increased more significant at IT groups compared to CT(p.05). Therefore, the present study provides a novel evidence that high-intensity interval training is more benefits for loss fats, aerobic capacity(V·O2max) and capacity of the body`s oxidative stress defense than continuos training.

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