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Acute effects of dynamic stretching exercise on power output during concentric dynamic constant external resistance leg extension

http://hdl.handle.net/10659/1401
http://hdl.handle.net/10659/1401
c486bcdd-3934-44fd-9769-32a5830003d4
名前 / ファイル ライセンス アクション
J-2_Yamaguchi.pdf J-2_Yamaguchi.pdf (799.5 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2010-03-11
タイトル
タイトル Acute effects of dynamic stretching exercise on power output during concentric dynamic constant external resistance leg extension
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
著者 YAMAGUCHI, TAICHI

× YAMAGUCHI, TAICHI

WEKO 2676

YAMAGUCHI, TAICHI

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ISHII, KOJIRO

× ISHII, KOJIRO

WEKO 2677

ISHII, KOJIRO

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YAMANAKA, MASANORI

× YAMANAKA, MASANORI

WEKO 2678

YAMANAKA, MASANORI

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YASUDA, KAZUNORI

× YASUDA, KAZUNORI

WEKO 2679

YASUDA, KAZUNORI

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内容記述タイプ Abstract
内容記述 AbstractThe purpose of the present study was to clarify the acute effect of dynamic stretching exercise on muscular performance during concentric dynamic constant external resistance (DCER, formally called isotonic) muscle actions under various loads. Concentric DCER leg extension power outputs were measured in 12 healthy male students after 2 types of pretreatment. The pre- treatments were: (a) dynamic stretching treatment including 2 types of dynamic stretching exercises of leg extensors and the other 2 types of dynamic stretching exercises simulating the leg extension motion (2 sets of 15 times each with 30-second rest periods between sets; total duration: about 8 minutes), and (b) nonstretching treatment by resting for 8 minutes in a sitting position. Loads during measurement of the power output were set to 5, 30, and 60% of the maximum voluntary contractile (MVC) torque with isometric leg extension in each subject. The power output after the dynamic stretching treatment was significantly (p < 0.05) greater than that after the nonstretching treatment under each load (5% MVC: 468.4 +/- 102.6 W vs. 430.1 +/- 73.0 W; 30% MVC: 520.4 +/- 108.5 W vs. 491.0 +/- 93.0 W; 60% MVC: 487.1 +/- 100.6 W vs. 450.8 +/- 83.7 W). The present study demonstrated that dynamic stretching routines, such as dynamic stretching exercise of target muscle groups and dynamic stretching exercise simulating the actual motion pattern, significantly improve power output with concentric DCER muscle actions under various loads. These results suggested that dynamic stretching routines in warm-up protocols enhance power performance because common power activities are carried out by DCER muscle actions under various loads.
書誌情報 The Journal of Strength and Conditioning Research

巻 21, 号 4, p. 1238-1244, 発行日 2007-11
ISSN
収録物識別子タイプ ISSN
収録物識別子 1064-8011
著者版フラグ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
出版者
出版者 Wolters Kluwer
資源タイプ
内容記述タイプ Other
内容記述 Article
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