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最終更新日：2025/03/04

石毛勇介

イシゲユウスケ (Yusuke Ishige)

論文

タイトル
タイトル（英）: Muscle Activity and Morphology in Slalom Skiing by a Single-Leg Amputee Ski Racer: A Case Study of a Paralympic Athlete
参照URL: https://researchmap.jp/read0127716/published_papers/34060224
著者
著者（英）: Yusuke Ishige,Shinsuke Yoshioka,Noriko Hakamada,Yuki Inaba
担当区分: 筆頭著者,責任著者
概要
概要（英）: The aim of this study was to clarify the characteristics of skiing by a single-leg amputee ski racer from the viewpoints of muscle activity, morphology, and the relationship between both elements through comparisons with those of a non-disabled ski racer. One elite athlete, classified as LW2 (left thigh amputation), and one non-disabled athlete, as a control, participated in this study. The cross-sectional area of thigh muscles was measured through magnetic resonance imaging. Additionally, muscle activities and joint and segment kinematics during slalom skiing were measured using electromyography and inertial measurement units, respectively. The muscle activities and joint kinematics of the amputee racer in the turn in which he performed with the inside edge of the ski were similar to those of the outside leg of the non-disabled racer over a turn. In contrast, at the turn in which the amputee racer performed with the outside edge (more difficult side), the amputee racer largely activated the biceps femoris (BF) in the first half of the turn compared to the non-disabled racer. The reason could be to control the angular momentum of the trunk during the forward tilting motion. This is because a greater activity of the BF was observed during the period in which the forward tilt of the trunk was increased, and the mean activity of the BF was the greatest during the first half of the right turn in which the range of the motion of the forward tilt was the greatest. In terms of muscle morphology of the amputee racer, a significant hypertrophy of the BF and vastus lateralis was observed compared to the non-disabled racers. The well-developed BF was considered to be related to the large activity during the turn performed with the outside edge of the ski.
出版者・発行元
出版者・発行元（英）: Journal of Sports Science and Medicine
誌名
誌名（英）: Journal of Sports Science and Medicine
巻
号
開始ページ: 500
終了ページ: 507
出版年月: 2021年6月18日
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/10.52082/jssm.2021.500
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石毛 勇介

論文

石毛勇介