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Archive » 2000 » 1 » | Archive » Medical field » Fields » Oncology » Archive » Medical field » Fields » Surgery »

Determination of Side-to-side Isometricity of the Anterior Cruciate Ligament (ACL) Substitute – a Cadaveric Study

 
Abstract:

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A reconstructed anterior cruciate ligament should allow normal motion and stability of the knee. An accurate placement of the graft is mandatory to prevent slackening, deformation or rup­ture of the graft, or limitation of the range of knee motion. We studied the influence of orien­tation of the femoral attachment on the distribution of loads on the graft during knee motion. Side-to-side isometricity of a 10 mm wide graft in two extreme orientations of the graft femoral attachments was studied on a cadaveric specimen. In experiment A, the femoral attach­ment was parallel to the inner wall of the lateral femoral condyle, in sagittal plane. In expe­riment B, the femoral attachment was in frontal plane. The mean value for the maximal side-to-side difference in fiber length change was much smaller in experiment B, the difference being statistically significant. The study showed that the femoral attachment of the ACL graft oriented in frontal pla­ne provides a more uniform distribution of load throughout the range of knee motion.

Authors:
Veselko Matjaž, Tonin Martin, Stare Janez

Keywords:
anterior cruciate ligament - transplantation, biomechanics, cadaver

Cite as:
Med Razgl. 2000; 39: 61–9.

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