Torque-velocity relation of pedaling movement against stepwise increase in load
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概要
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Using a recumbent-type cycle ergometer, we investigated the validity of using a stepwise increment in load within a bout of exercise to determine the torque-velocity relation of pedaling movement. Fourteen healthy men and women performed pedaling exercise at their maximal effort on a recumbent-type cycle ergometer with an electromagnetic load control. Two types of loading were used: a conventional method (C) in which a varied load was applied to each bout independently; a "stepwise loading" method (S) in which the load was successively increased within a bout. In S, the external load was not applied initially, but when axial rotation velocity reached a maximum, it was increased in a stepwise manner until the velocity declined to 30% of the maximum. The torque-velocity relations obtained by both methods (C and S) were well described with linear functions and substantially identical, indicating that the present stepwise loading method is useful for a rapid evaluation of lower-limb muscle function.
- Japan Society of Physical Education, Health and Sport Sciencesの論文
著者
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Ishii Naokata
Department Of Life Science (sports Sciences) The University Of Tokyo
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YAMAUCHI Junichiro
Department of Life Sciences, Graduate school of Arts and Sciences, University of Tokyo
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Nakayama Satoshi
Research & Development Division Kuria Water Industries Ltd.
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Mishima Chizuko
Research & Development Center, Matsushita Electric Works Ltd.
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- Torque-velocity relation of pedaling movement against stepwise increase in load