Effect of femoral component design and quadriceps load on patellofemoral kinematics after total knee arthroplasty: an in vitro cadaveric study.

13 ) was significantly affected by TKA mainly in the traditional implant group, with highly significant differences at all flexion angles ( p < 0.001), except at full flexion where the effect was attenuated.

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Although these differences did not reach statistical significance owing to the relatively high interspecimen variability, the observed pattern suggests a potentially relevant alteration of early patellar tracking following TKA.

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