Effects of different training modes on cardiopulmonary fitness and body composition in overweight male youth

LIU Jing; LIU Yahua; CHEN Di; WAN Qiong

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Medical Journal of the Chinese People Armed Police Forces ›› 2023, Vol. 34 ›› Issue (11) : 930-934.

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Effects of different training modes on cardiopulmonary fitness and body composition in overweight male youth

LIU Jing¹, LIU Yahua², CHEN Di¹, WAN Qiong³

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Abstract

Objective To compare the effects of high intensity interval training (HIIT) and moderate intensity continuous training (MICT) on cardiopulmonary fitness and body composition in obese male youth. Methods Sixty-four overweight young men with irregular exercise habits in a community of Beijing were selected by telephone or on-site recruitment from May to August in 2022, and were randomly divided into HIIT group, MICT group and control group (C group) according to the random number table method. The maximum oxygen uptake (VO_2max) was measured by graded exercise test and body composition was measured by dual energy X-ray absorptiometry before and after 12-week intervention. Results After the experiment, VO_2max increased in both HIIT and MICT groups (P<0.05), the total body fat mass, percentage of body fat, and fat mass and percentage of android area decreased, while free fat mass increased in MICT group (P<0.05), but there was no significant change in body composition in HIIT group (P>0.05). There was no significant change of all parameters in C group (P>0.05). Conclusions HIIT is time-effective in improving cardiopulmonary fitness, and MICT is the main means to improve body composition in overweight young men who use different physical activities.

Key words

high intensity interval training / moderate intensity continuous training / overweight / cardiopulmonary fitness / body composition

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LIU Jing, LIU Yahua, CHEN Di, WAN Qiong. Effects of different training modes on cardiopulmonary fitness and body composition in overweight male youth[J]. Medical Journal of the Chinese People Armed Police Forces. 2023, 34(11): 930-934

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