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Orthopaedic Proceedings
Vol. 104-B, Issue SUPP_7 | Pages 61 - 61
1 Jul 2022
Wang D Willinger L Athwal K Williams A Amis A
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Abstract

Background

Little scientific evidence is available regarding the effect of knee joint line obliquity (JLO).

Methods

10 fresh-frozen human cadaveric knees were axially loaded to 1500 N in a materials testing machine with the joint line tilted 0, 4, 8, and 12 degrees varus and valgus, at 0, and 20 degrees of knee flexion. The mechanical compression axis was aligned to the centre of the tibial plateau. Contact pressures / areas were recorded by sensors inserted between the tibia and femur below the menisci. Changes in relative femoral and tibial position in the coronal plane were obtained by an optical tracking system.