<Originals>Effects of Resistance Training Associated with StretchShortening Cycle Exercise on Force Development and Muscle Volume in Human Elbow Flexors
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概要
- 論文の詳細を見る
OKADA, J. and FUKASHIRO, S., Effects of Resistance Training Associated with StretchShortening Cycle Exercise on Force Development and Muscle Volume in Human. Adv. Exerc. Sports Physiol., Vol.7, No.2 pp65-71, 2001. The purpose of this study was to compare the effects of resistance training with counter movement (atretch shortening cycle) or wihtout counter movement (nomal style) in elbow flexion. We also attempted to identify the effect of elbow flexors on force development, cross sectional ares and volume. Six subjects performed dunbbell curls using their elbow flexor muscles with either the right or left arm for both modes according to random assignment Training (60% of one repetition maximum × 10 repetitions × 5 sets) was performed 3 days per week for 6 weeks. Maximum force and maximum rate of force development were determined during static and dynamic elbow flexion tests before and after the training period using a special arm ergometer. In addition muscle volume of elbow flexors (biceps branchii and branchialis muscle) were estimated from magnetic resonance images. Maximum force in the static condition at elbow flexion of 2.09 radians was significantly increased only for stretch-shotening cycle training (from 245±41 to 292±40N, p<0.05). Maxumum force and maximum rate of force development during dynamic test at most loads (2-9kg) were significantly increased (10-15%9 for stretch-shortening cycke training. No significant changes were observed in these values for normal style training during the dynamic elbow flexion test. On the other hand, muscle volume was increased only for normal style training (from 269±43 to 305±54cm3, p<0.05). These results indicated that stretch-shortening cycle training was more effective for dynamic force production than conventional isotonic training and that it can be considered a specific mode of training.
- 日本運動生理学会の論文
著者
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OKADA Junichi
Department of Radiology, Narita Red Cross Hospital
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Fukashiro Senshi
Departmtent of Life Sciences (Sports Science), University of Tokyo
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Okada Junichi
Department Of Sports Science Waseda University
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Fukashiro Senshi
Department Of Life Sciences (sports Sciences) The University Of Tokyo
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Fukashiro Senshi
Department Of Life Sciencse University Of Tokyo
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Okada Junichi
Department Of Physics Nagoya University
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Okada Junichi
Department Of Pediatrics Toyota Memorial Hospital
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