臨床整形外科53巻7号

2018年07月発行

誌上シンポジウム 膝前十字靱帯のバイオメカニクス

損傷膝の特性—正常膝との違い

著者： 前達雄¹ 橘優太¹

所属機関： ¹大阪大学大学院医学系研究科器官制御外科学(整形外科)

ページ範囲：P.575 - P.579

　膝前十字靱帯(以下，ACL)は，大腿骨の外顆内側壁後方から脛骨高原の前方やや内側へ走行しているため，ACL損傷により脛骨は前方転位および内旋・内反する．特に前方転位は，脛骨への前方荷重負荷以外に，膝伸展位，大腿四頭筋の筋収縮，脛骨への垂直荷重負荷，そして下腿への重力負荷などによっても増大する．この作用を利用したACL損傷の評価は多くなされており，これらはACL損傷後の変形性関節症性変化の予防や，ACL再建術後のリハビリテーションプログラムを考えるうえでも有用である．

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