<論考> かけっこ教室に参加した小・中学生における疾走動作の即時的な変化 ～短距離走の指導実践～

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  • <Article> The acute changes of sprint motions in elementary and junior high school students who participated in a running event --An intervention of sprint traininng--
  • ロンコウ カケッコ キョウシツ ニ サンカ シタ ショウ チュウ ガクセイ ニ オケル シッソウ ドウサ ノ ソクジテキ ナ ヘンカ タンキョリソウ ノ シドウ ジッセン

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type:01 紀要論文 / Departmental Bulletin Paper

This study aimed to investigate the acute effects of sprint training on sprint motions evaluated by the observational motion assessment method and sprint velocity in elementary- and middle- school students. 38 elementary- and middle- school students performed 50m sprint tests before and after the 30-min training intervention, consisting of the mini-hurdle sprinting and the rebound jump exercises. The sprint velocity from 20m to 40m was measured as the mean sprint velocity. The sprint motion was captured by video cameras, and it was qualified using the observational motion assessment method. No significant change was found in the mean sprint velocity between pre and post sprint tests（P＝0.567, d＝0.020）. Meanwhile, the scores of the motions, such as the direction of arm swinging（P＝0.001, d＝0.405）, the range of motion of the legs（P＝0.031, d＝0.191）and the timing of the scissors motion（P＝0.029, d＝0.304）were significantly improved in the post test. Therefore, our results suggested that acute sprint training did not improve the sprint velocity, but sprint motions.

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