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

2束前十字靱帯再建術の生体力学的評価—2つの1束再建術との比較

著者： 近藤英司¹

所属機関： ¹北海道大学大学院医学研究院スポーツ先端治療開発医学分野

ページ範囲：P.589 - P.594

　屍体膝を用いて2束再建術(double-bundle；DB群)と2つの1束再建術の膝安定性を生体力学的に評価した．1束再建は，大腿骨骨孔を前内側線維束に作製するAM群，および大腿骨骨孔を前内側と後外側線維束の間に作製するSB群の順で行った．前方引き出し力負荷時の脛骨前方移動距離，および内旋トルク負荷時の内旋角度に関して，伸展位付近ではDB群とSB群はAM群より有意に低値であった．中間位では，DB群はAM群より有意に低値であったが，SB群とAM群の間に差はなかった．いずれの荷重条件においても，75°以上の屈曲角度では，3群間に差はなかった．

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