下肢動力学と着陸時の衝撃負荷または関節の働きの関係
Shengxing Fu1, Huijuan Shi1, Yulin Zhou1
1School of Sport Science, Beijing Sport University, Beijing, China; Key Laboratory of Exercise Rehabilitation Science of the Ministry of Education, Beijing Sport University, Beijing, China.
Journal of biomechanics
|September 3, 2025
まとめ
膝関節痛 (PFP) の個人は,着陸メカニズムが変化し,怪我のリスクが増加します. 足首の吸収に依存し,足首の制御と着陸のテクニックに重点を置くべきだと示唆しています.
科学分野:
- バイオメカニクス
- 運動器官の健康
- スポーツ医学
背景:
- 落下時により高い衝撃負荷は,筋骨格損傷のリスクの増加と関連しています.
- PFPの着陸バイオメカニズムを理解することは,怪我の予防とリハビリテーションに不可欠です.
研究 の 目的:
- PFPとPFPのない個体間の着陸運動,衝撃負荷,共同作業を比較する.
- 着陸時のPFPの運動変数と運動変数の関係を調べる.
主な方法:
- 23人のPFP患者と19人の健康な対照群でドロップジャンプ試験を実施した.
- 評価された関節の角度,ピーク垂直地面反応力 (PvGRF),負荷率,関節作業.
- 統計的分析には,独立したtテスト,マン-ウィットニーUテスト,ピアソン,スピアーマン相関が含まれていた.
主要な成果:
- PFPグループでは,最初の接触時に足首の足底屈折が大きく,PvGRFも高かった.
- PFPグループは,膝の屈折と足首の背の屈折がピーク時に少なかった.
- PFPグループでは,着陸時に足首関節の働きが大きいことが示されました.
結論:
- PFPの患者には衝撃吸収能力が低下し,足首への依存性が高まります.
- リハビリテーションは膝の機能,足首の運動制御,着陸技,荷重の分配を 対象にする必要があります.
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