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标题：The Impact of a Self-Selected and Imposed Intensity on Cardiorespiratory Fitness and Body Composition in Obese Women
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作者：Luís A. G.Freitas ; Luís A. G.Freitas ; Kleverton Krinski 等
期刊名称：Journal of exercise physiology online
印刷版ISSN：1097-9751
出版年度：2014
卷号：17
期号：2
页码：44-52
语种：English
出版社：American Society of Exercise Physiologists
摘要：Freitas LAG, Krinski K, Elsangedy HM, Freitas RQ, Durigan JZ, Feitosa AA, Pinto R, Dias SS, Silva GC, Arruda GA, Ferreira SS, Dourado AC, DaSilva SG. The Impact of a Self-Selected and Imposed Exercise Intensity on Cardiorespiratory Fitness and Body Composition in Obese Women. JEPonline 2014;17(2):44-52. The purpose of this study was to investigate the impact of self-selected and imposed exercise intensity on cardiorespiratory fitness and body composition in 75 obese women. The subjects were divided into: G1 (self-selected intensity); G2 (intensity 10% above ventilatory threshold); and G3 (control group, no exercise). The exercise program consisted of 12 wks. The findings demonstrated a significant improvement in cardiorespiratory fitness (VO2 max and HRVT) in G1 (3.55 mL·kg-1 ·min-1 ) and in G2 (9.69 mL·kg-1 ·min-1 ). There were no significant changes in body composition. In conclusion, the 12-wk program of self-selected and imposed exercises resulted in an improvement in cardiorespiratory fitness with no significant changes in body composition. The self-selected intensity demonstrated to be an important strategy in order to promote engagement of obese subjects in an exercise program.
关键词：Aging;Obesity;Aerobic Exercise;Physical Fitness