体育測定評価研究
Print ISSN : 1347-1309
原著論文
事前練習が握力発揮のグレーディング能力に及ぼす影響
重谷 将司出村 慎一青木 宏樹川端 悠杉浦 宏季内田 雄徐 寧
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ジャーナル フリー

2015 年 14 巻 p. 21-26

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An advance practice before actual trails may affect handgrip strength exertion values in gradually increased demand values. This study aimed to examine effects of an adjustment practice of grip exertion with subjective intensity with 50% of the maximum grip strength on handgrip values in gradually increased demand values and its laterality. Subjects were 20 healthy males (age: 21.2 ± 1.7). The demand values were 20%, 40%, 60% and 80% of the maximum grip. In three pre-practice, each value was immediately fed back to each subject. A relative error(%) between demanded and actual exertion values was used as an evaluation variable. In a result of two-factor variance analysis ( demand values x dominant hand/non-dominant hands), a significant interaction (p<0.05) was found. Multiple comparisons showed that a significant difference was found only in the non-dominant hand and the 20% demand value had a larger error than the other demand values (40%, 60%, and 80%). In addition, it was significantly larger in the non-dominant hand than in the dominant hand. In conclusion, when performing an advance with 50% subjective intensity of the maximum grip, an error in the 20% demand value is larger than that in the other demand values in the non-dominant hand and in the dominant hand.

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© 2015 日本体育測定評価学会
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