クリケットのファストボウリング中の前足の関節の機械的機能と制御: 3D運動分析の研究
René E D Ferdinands1, Peter J Sinclair1, Max C Stuelcken2
1Discipline of Exercise and Sport Science, Faculty of Medicine and Health, University of Sydney, Sydney, NSW 2006, Australia.
Sensors (Basel, Switzerland)
|February 13, 2026
まとめ
クリケットのファストボウラーは前足を動力として使いますが,その機能は主に制御ブレーキによるもので,アクティブ・エクステンションではありません. 単一の足の強さではなく,よりよいボールスピードのために全身のモメンタムに集中してください.
科学分野:
- バイオメカニクス バイオメカニクス
- スポーツ科学 スポーツ科学
- クリケットのパフォーマンス分析
背景:
- ファストボウラーは,前足の接触段階において,前足を重要なメカニカルレバーとして利用する.
- 前足の行動を制御する正確なメカニズムを理解することは,ボーリングのパフォーマンスを最適化し,怪我を予防するために不可欠です.
研究 の 目的:
- クリケットの速いボウリングのアクション中に前足の関節力と角度衝動を調査するために.
- ヒップと膝の伸縮-屈折力学の機能的役割 (アクティブ対制御) を決定する.
- ボールの速度の重要な運動および人類測定予測要因を特定する.
主な方法:
- 14カメラの3Dモーションキャプチャシステムとフォースプラットフォームを使用して,18人のジュニアの速いボウラーを分析しました.
- 前足の接触からボールの放出までの,股関節と膝の関節力と角衝動を量化した.
- ボールの速度に対する動力学と人体測定の貢献を評価するために,複数の線形回帰を用いた.
主要な成果:
- 前足の動きは,主に,股関節と膝関節の両方の制御された (エキセントリックな) 力によって特徴付けられました.
- 円四頭筋の伸縮ではなく,偏心的なブレーキが,膝の角度を調節する主なメカニズムでした.
- バックフットとの接触時のランアップスピードは,ボール速度の最も強い予測因子であったが,フロントフットと膝の角度は軽微な影響を及ぼした.
結論:
- ファストボウリングにおける前足の振る舞いは,モメンタム生成とタイミングを強調する,全身ダイナミクスの調整の結果である.
- 孤立した膝の伸縮器の強化に焦点を当てた介入は,運動連鎖の調整を強化する介入よりも効果的ではないかもしれません.
- ボーリングのパフォーマンスを最適化するには,全身のモメンタムとタイミングを優先する総合的なアプローチが必要です.
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