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J Strength Cond Res 23(1): 231-236, 2009-A gender difference in ability using the stretch-shortening cycle (SSC ability) in the upper extremities has not been studied in detail. This study aimed to devise an index to evaluate SSC ability during powerful elbow flexion and to examine its gender differences. Thirty-three men athletes (19.9 ± 1.0 years) and 21 women athletes (20.6 ± 1.2 years) with mastered SSC movements participated in this study. They pulled a 20% load of maximal voluntary contraction (MVC) by elbow flexion as quickly as possible with the dominant upper extremity from the following two preliminary conditions: a static relaxed muscle state (SR condition) and using a countermovement (SSC condition). The muscle power was measured accurately by a power measurement device, which adopted the weight loading method. The peak power under both conditions showed significantly higher values in men than in women. 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Gender difference in ability using the stretch-shortening cycle in the upper extremities
http://hdl.handle.net/2297/19130
http://hdl.handle.net/2297/19130486485bb-facb-4be4-ac15-2b0550ea7be2
名前 / ファイル | ライセンス | アクション |
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ED-PR-MIYAGUCHI-K-231 .pdf (237.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-02 | |||||
タイトル | ||||||
タイトル | Gender difference in ability using the stretch-shortening cycle in the upper extremities | |||||
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 |
Miyaguchi, Kazuyoshi
× Miyaguchi, Kazuyoshi× Demura, Shinichi |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学人間社会研究域人間科学系 | |||||
提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 石川県立大学 | |||||
書誌情報 |
Journal of Strength and Conditioning Research 巻 23, 号 1, p. 231-236, 発行日 2009-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1064-8011 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11013236 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1519/JSC.0b013e3181876a38 | |||||
出版者 | ||||||
出版者 | Human Kinetics | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Miyaguchi, K and Demura, S. Gender difference in ability using the stretch-shortening cycle in the upper extremities. J Strength Cond Res 23(1): 231-236, 2009-A gender difference in ability using the stretch-shortening cycle (SSC ability) in the upper extremities has not been studied in detail. This study aimed to devise an index to evaluate SSC ability during powerful elbow flexion and to examine its gender differences. Thirty-three men athletes (19.9 ± 1.0 years) and 21 women athletes (20.6 ± 1.2 years) with mastered SSC movements participated in this study. They pulled a 20% load of maximal voluntary contraction (MVC) by elbow flexion as quickly as possible with the dominant upper extremity from the following two preliminary conditions: a static relaxed muscle state (SR condition) and using a countermovement (SSC condition). The muscle power was measured accurately by a power measurement device, which adopted the weight loading method. The peak power under both conditions showed significantly higher values in men than in women. In both genders, the peak power showed significantly lower values in the SSC condition than in the SR condition (p < 0.05). The potentiation of using the SSC was not found in the peak power test. However, the initial power showed significantly higher values under the SSC condition (men: 37.2 ± 6.4 W; women: 17.4 ± 5.1 W) than in the SR condition (men: 18.3 ± 4.3 W; women: 11.2 ± 3.1 W). Hence, assuming a difference between initial muscle power outputs of the SR and SSC conditions as a difference in SSC ability, an SSC index was devised to evaluate the above ability. The SSC index showed significantly higher values in men (50.1 ± 12.4) than in women (32.1 ± 23.2). However, the individual difference of SSC ability was very large in women. The ability of women to use SSC in the upper extremities may be inferior to that of men. © 2009 National Strength and Conditioning Association. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |