Abstract
Reconstruction of a torn #anterior cruciate ligament (ACL) cannot be
successful without a properly placed tibial tunnel. Graft impingement
occurs when the graft becomes trapped in the notch between the rounded
ends of the #femur (intercondylar notch) with the knee in extension. A
surgical technique for customizing the placement of the tibial tunnel,
preventing roof impingement, is presented. For strategies for avoiding
graft impingement, #surgeons have used two aspects, the anatomy of the
ACL and associated landmarks. However, this study showed that the tunnel
placement could be determined by the linear combination of two paths of
rotational movements of the functional joint. The two lines of paths
are referred to as a pair of conjugates and do not belong in the lines
of forces in the knee complex, during locomotion. We are particularly interested in the measuring of our knee
#proprioception, and of our ability to perceive the change in our
position through locating the instantaneous axes of the knee (IAK), that
is, the pickup of our movement during locomotion.
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A Tensegrity Model of a Knee for the ACL Reconstruction by Wangdo Kim in BJSTR
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