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There continues to be some dissatisfaction with the function of total knee arthroplasties (TKA). "Mid-range instability" has been linked to multi-radius femoral components allowing transient ligament slackness and instability during knee flexion. Single-radius designs have been introduced to avoid this. We compared the kinematics and stability of eight(More)
PURPOSE Poor knee extension function after total knee arthroplasty (TKA) is associated with factors including articular geometry and alignment. Femoral trochlear geometry has evolved from symmetrical to become more prominent proximal-laterally, with the groove aligned proximal-lateral to distal-medial. This study in vitro tested the hypothesis that a modern(More)
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