Acute effect of static stretching on power output during concentric dynamic constant external resistance leg extension.

Yamaguchi, Taichi; Ishii, Kojiro; Yamanaka, Masanori; Yasuda, Kazunori

Acute effect of static stretching on power output during concentric dynamic constant external resistance leg extension.

Yamaguchi, Taichi; Ishii, Kojiro; Yamanaka, Masanori et al.

The Journal of Strength and Conditioning Research, 2006, 20(4), 804-810

Permalink : https://hdl.handle.net/2115/17084

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アクセス権	open access
URI	https://hdl.handle.net/2115/17084
タイトル	Acute effect of static stretching on power output during concentric dynamic constant external resistance leg extension.
著者	Yamaguchi, Taichi ; Ishii, Kojiro ; Yamanaka, Masanori ; Yasuda, Kazunori
著者名 Yamaguchi, Taichi
著者名 Ishii, Kojiro
著者名 Yamanaka, Masanori
e-Rad_Researcher 20166507 著者名 Yasuda, Kazunori
言語	英語
キーワード	stretch
	warm-up
	performance
	torque
	velocity
	rate of torque development
発行日	2006-11
出版者	Alliance Communications Group
収録物名	The Journal of Strength and Conditioning Research
巻(号)	20(4)
ページ	804-810
抄録	Yamaguchi, T., K. Ishii, M. Yamanaka, and K. Yasuda. Acute effect of static stretching on power output during concentric dynamic constant external resistance leg extension. J. Strength Cond. Res. 20(4):804–810. 2006.—The purpose of the present study was to clarify the effect of static stretching on muscular performance during concentric isotonic (dynamic constant external resistance [DCER]) muscle actions under various loads. Concentric DCER leg extension power outputs were assessed in 12 healthy male subjects after 2 types of pretreatment. The pretreatments included (a) static stretching treatment performing 6 types of static stretching on leg extensors (4 sets of 30 seconds each with 20-second rest periods; total duration 20 minutes) and (b) nonstretching treatment by resting for 20 minutes in a sitting position. Loads during assessment 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 peak power output following the static stretching treatment was significantly (p < 0.05) lower than that following the nonstretching treatment under each load (5% MVC, 418.0 ± 82.2 W vs. 466.2 ± 89.5 W; 30% MVC, 506.4 ± 82.8 W vs. 536.4 ± 97.0 W; 60% MVC, 478.6 ± 77.5 W vs. 523.8 ± 97.8 W). The present study demonstrated that relatively extensive static stretching significantly reduces power output with concentric DCER muscle actions under various loads. Common power activities are carried out by DCER muscle actions under various loads. Therefore, the result of the present study suggests that relatively extensive static stretching decreases power performance.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	© 2006 National Strength and Conditioning Association.
PISSN	1064-8011
EISSN	1533-4287
関連情報	PMID 17194246
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1519/R-18715.1