The biomechanics of anterior cruciate ligament rehabilitation and reconstruction

DOI Web Site 被引用文献19件
  • Steven W. Arms
    Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
  • Malcolm H. Pope
    Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
  • Robert J. Johnson
    Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
  • Richard A. Fischer
    Department of Orthopaedics and Rehabilitation, University of Vermont, Burlington, Vermont
  • Inga Arvidsson
    Karolinska Institute, Stockholm, Sweden
  • Ejnar Eriksson
    Karolinska Institute, Stockholm, Sweden

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<jats:p> The rehabilitation of knee injuries involving the anterior cruciate ligament (ACL) is controversial. This paper describes strain in the normal and reconstructed ACL during a series of passive and active tests of knee flexion with and without varus, valgus, and axial rotation torques on the tibia. Strain in the human knee ACL was significantly different depending on whether the knee flexion angle was changed passively or via simulated quadriceps contraction. The knee joint capsule was found to be important for strain protection of the ACL. Quadriceps activity did not strain the normal or recon structed ACL when the knee was flexed beyond 60°, but significantly strained the tissue from 0 to 45° of knee flexion. Immobilization may not protect the ACL if isometric quadriceps contractions are allowed to occur. Properly placed reconstructions exhibited strain behav ior which closely followed the anteromedial band of the ACL. </jats:p>

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