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J Phys Ther Sci. 2016 Apr;28(4):1359-63. doi: 10.1589/jpts.28.1359. Epub 2016 Apr 28.

The effects of weekly exercise time on VO2max and resting metabolic rate in normal adults.

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1
Department of Physical Therapy, Institute for Elderly Health and Welfare, Namseoul University, Republic of Korea.

Abstract

[Purpose] The present study examined the effect of individual weekly exercise time on resting metabolic rate and VO2max (maximal oxygen uptake), which are important components of individual health indexes. [Subjects and Methods] Thirty healthy adults participated in this study. Questionnaires were used to divide the participants into groups based on average weekly walking. Resting metabolic rate was measured using a respiratory gas analyzer. Graded exercise tests were conducted using a treadmill, and the modified Bruce protocol was used as an exercise test method. [Results] VO2max, anaerobic threshold, and resting metabolic rate were significantly different among the groups. [Conclusion] Average weekly exercise time affected VO2max, resting metabolic rate, and anaerobic threshold, all of which are indicators of individual physical ability and health. These values increased as the individual amount of exercise increased. In addition, VO2max, resting metabolic rate, and anaerobic threshold were found to be closely correlated. These findings were consistent with the results of similar previous studies.

KEYWORDS:

Exercise; Maximal oxygen uptake; Resting metabolic rate

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