著者
橋爪 和夫 高邑 和樹
出版者
日本体育科教育学会
雑誌
体育科教育学研究 (ISSN:13428039)
巻号頁・発行日
vol.21, no.2, pp.11-20, 2005-08-15 (Released:2012-09-24)
参考文献数
13

Purpose: This study examined the coordin ated movement of SAKA-AGARI (forward upward circling on the horizontal bar) by analyses of both ground reaction forces and films made with high speed cinematography. Methods: The reaction forces of the sustaining leg were compared between three elementary school children who perform SAKA-AGARI successfully and 6 elementary school children who were unable to perform SAKA-AGARI even though they were judged to have sufficient muscle strength to achieve SAKA-AGARI. Results: The results were summarized as follows.1) Both legs of the SAKA-AGARI performer seemed to put together until the upward swinging leg parting from the floor.2) After the upward swinging leg parted from the floor, reaction forces of the sustaining leg pointed vertically and to the front. The direction of the reaction force in the successful SAKA-AGARI changed to the direction of the bar.3) Maximal speed at which the upper part of the body of the SAKA-AGARI performer leaned back was significantly faster when SAKA-AGARI was performed successfully, and this was a significant factor in explaining whether the SAKA-AGARI performance would succeed or not.4) Maximal speed at which the upper part of the body of the SAKA-AGARI performer leaned back correlated with the impulse of forward reaction forces when SAKA-AGARI performance was successful.

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1 1 https://t.co/MwL3xvlJL7
床反力を手がかりとした逆上がりの協働動作に関する研究 https://t.co/GkYPd912Bw

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