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Orthopaedic Proceedings
Vol. 102-B, Issue SUPP_9 | Pages 15 - 15
1 Oct 2020
AXIAL ROTATION FEATURES OF THE KNEE DURING IN VIVO FUNCTIONAL ACTIVITIES
Li G Zhou C Rao Z Bedair H
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Introduction

Medial pivoting motion of the knee has been widely assumed in total knee arthroplasty (TKA) research, but was not consistently observed in recent studies of in vivo knee motion. This study investigated the in vivo motion characters of the knee by analyzing the axial tibial rotation and tibiofemoral articular contact motion during a weightbearing flexion and a treadmill gait.

Methods

In vivo kinematics of eight living human knees during a weightbearing flexion and a treadmill gait was determined using a combined MRI and dual fluoroscopic imaging system technique. The axial tibial rotation and the tibiofemoral cartilage contact point motion on both the tibial plateau and femoral condyle surfaces were analyzed.

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