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練習方法の違いによる立位での目標追跡課題への影響

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Title: 練習方法の違いによる立位での目標追跡課題への影響
Other Titles: The effect of different exercises with the visual feed-back on the target-tracking task during standing in healthy youths
Authors: 笠原, 敏史1 Browse this author →KAKEN DB
斉藤, 優輝2 Browse this author
高橋, 光彦3 Browse this author
石川, 啓太4 Browse this author
水本, 梓5 Browse this author
宮本, 顕二6 Browse this author →KAKEN DB
Authors(alt): Kasahara, Satoshi1
Saito, Yuki2
Takahashi, Mitsuhiko3
Ishikawa, Keita4
Mizumoto, Azusa5
Miyoamoto, Kenji6
Keywords: 運動学習
視覚的フィードバック
目標追跡運動
Motor learning
Visual feed-back
Target-tracing task
Issue Date: 2011
Publisher: 北海道リハビリテーション学会
Journal Title: 北海道リハビリテーション学会雑誌
Volume: 36
Abstract: The application of motor learning is important for the rehabilitation of patients with motor disorders. Although the exercise method of motor learning consists of constant exercise, variable exercise or both, these methods have not yet been verified adequately with regard to the postural control during standing. To investigate the effect of different exercises with visual feed-back information on postural control, we examined the motor performance with regard to the center of pressure (COP) during the standing target-tracking task in six healthy young males. The visual feed-back information of COP from the force plate was provided to subjects by the monitor display. Subjects were asked to move their body in a forward or backward direction to fit and track their own projected COP to the target on the display. The constant exercise group had a scale with the same rate between the COP displacement on the force plate and the COP displacement displayed in the monitor, and the variable exercise group had two scales with different rates. The retention tests were performed after completing the exercises, on the following day, and one week later. The COP data acquired during the tracking task in retention tests were measured, and the gain, the root-mean-square error (RMSE) and the phase shift for the tracking target were computed. In comparison to the constant exercise group, the motor performance of the variable exercise group was better and maintained these effects for a week after the exercise. The findings of this study suggest that differences in exercise methods affect motor performance and/or the retention of motor performance, and that the application of variable exercise for balance training may therefore be beneficial for fall prevention.
<和文要約>運動障害をもつ患者のリハビリテーションに運動学習の応用は重要である。運動学習の練習方法には一定練習と多様性練習があるが、異なる練習方法がその後の立位時の姿勢制御に与える影響については十分に明らかにされていない。本研究は視覚的フィードバック情報を用いた練習方法の違いが立位での目標追跡課題の成績に与える影響について健常若年者6名を対象に行なった。目標追跡課題は床反力計上で直立位をとり、モニター画面上に表示された自身の足圧中心(COP)と追跡目標を一致させる視覚誘導型の随意的追跡運動とした。練習方法の違いは床反力計の情報からモニター画面上に表示されるフィードバック情報への割合の違いとした。一定練習は床反力計上のCOP移動量をモニター画面上に同じ大きさで表示し、多様性練習は2種類の異なる割合でモニター画面上にCOPの移動量を表示した。多様性練習群の成績は一定練習群に比べ良好であり、その練習効果は1週間後においても維持されていた。 本研究より、練習方法の違いは立位での随意的運動課題の成績及び効果の持続に影響を与え、転倒予防を目的としたバランス訓練への多様性の応用は有効である可能性が示唆される。
Type: article (author version)
URI: http://hdl.handle.net/2115/47041
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 笠原 敏史

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