Abstract:This paper presents a complete kinematic model of the tibiofemoral joint based on a RRPP + 4-SPS parallel mechanism, where R, P and S stands for revolute, prismatic and spherical joints respectively. The model accounts for the contact between tibia and femur, and the four major ligaments: Anterior Cruciate, Posterior Cruciate, Medial Collateral and Lateral Collateral, with anatomical significance in their length variations. An experimental flexion passive motion task is performed, and the kinematic model is te… Show more
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