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最終更新日：2024/04/24

木村新

キムラアラタ (Arata Kimura)

論文

タイトル
タイトル（英）: Joint coordination with a change in task constraint during accurate overhead throwing
参照URL: https://researchmap.jp/kimuraarata/published_papers/42488031
著者
著者（英）: Arata Kimura,Shinsuke Yoshioka,Senshi Fukashiro
担当区分: 筆頭著者,責任著者
概要
概要（英）: In sports situations, players may be required to throw at different speeds. The question of how skilled players throw the ball accurately to the desired location under different speed conditions is of interest to biomechanics researchers. Previous research suggested that throwers use different types of joint coordination. However, joint coordination with a change in throwing speed has not been studied. Here, we show the effects of changes in throwing speed on joint coordination during accurate overhead throwing. Participants were seated on a low chair with their trunk fixed and threw a baseball aimed at a target under 2 different speed conditions (slow and fast). In the slow condition, the elbow flexion/extension angle coordinated with other joint angles and angular velocities to reduce the variability of the vertical hand velocity. In the fast condition, the shoulder internal/external rotation angle and the shoulder horizontal flexion/extension angular velocity coordinated with other joint angles and angular velocities to reduce the variability of the vertical hand velocity. These results showed that joint coordination differed with changes in throwing speed, indicating that joint coordination is not always fixed, but may differ depending on the task constraints, such as throwing speed.
出版者・発行元
出版者・発行元（英）
誌名
誌名（英）: Journal of applied biomechanics
巻: 39
号: 3
開始ページ: 169
終了ページ: 178
出版年月: 2023年6月
査読の有無: 査読有り
招待の有無
掲載種別: 研究論文（学術雑誌）
ISSN
DOI URL: https://doi.org/10.1123/jab.2022-0130
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