青年フットボール選手におけるジョーンズ骨折の危険因子として,股関節の内部回転の制限とヒール上昇のメカニズム
Tomoki Koyama1,2, Yoshitomo Saita3,2, Tomohiko Tateishi4,2
1Department of Orthopaedic Surgery, Tohoku University Graduate School of Medicine, Sendai, 980-8574, Japan.
まとめ
若いサッカー選手のジョーンズ骨折の主要な危険因子である. 運動選手の重傷を防ぐのに役立ちます.
科学分野:
- スポーツ医学
- 整形外科
- バイオメカニクス
背景:
- ジョーンズ骨折は,第5頭足骨の近接頭で発生し,サッカーのようなスポーツでは,繰り返しジャンプとターニングのために一般的です.
- 日本のサッカー選手は,ヨーロッパの選手と比較してジョーンズ骨折の発生率が高く,特に保守的な管理で,骨折の発生率が高くなります.
- 若いアスリートにおけるジョーンズ骨折の特定の危険因子に関するデータは限られているが,手術による治療が好まれる.
研究 の 目的:
- 高校サッカー選手のジョーンズ骨折を 調べるためだ
- このスポーツ集団におけるジョーンズ骨折に関連する特定のリスク要因を 医学検査を通じて特定する.
主な方法:
- 2024年のトーナメントでは,トップレベルの高校サッカーチームの567人の選手の医療検査が行われました.
- 骨折を検出するために,超音波とX線画像を用いて,横向きの負荷で内回転 (HIR) と単脚の上昇 (SHR) を評価する身体検査を補完しました.
- 統計分析 (ウィルコクソンサインランクテスト,マン・ホイットニーUテスト) を用いて,人口統計と骨折歴のデータを集めました.
主要な成果:
- 検査された232人の男性選手のうち,超音波検査で7.8%が陽性で,X線写真で3.0%が骨折が確認され,11人が以前のジョーンズ骨折を報告した.
- 骨折のリスクは,HIRが制限された (<30°) 選手や,SHR中に横向きの重荷を負っている選手において,著しく高かった (原始確率比:3. 74,p=0. 01).
- ジョーンズ骨折のリスクは,SHR中に追加された横軸の重量でさらに増加した (粗略確率比:4. 02,p=0. 007).
結論:
- ヒップ内部の回転が制限され,足首を一つ上げる時に横向きに重荷を負うことが,若年サッカー選手のジョーンズ骨折の重要な危険因子として特定されています.
- これらの生体力学的要因を早期に認識することで,高レベルの若いアスリートにおける怪我のリスクを軽減するための標的型予防戦略の開発に役立ちます.
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