Abstract
Malrotation of the femoral component is a common cause of therapy-resistant pain after total knee arthroplasty. There is no consensus about the best technique to intraoperatively determine the correct femoral component rotation. Established landmarks are the posterior condylar axis, surgical epicondylar axis, Whiteside’s line, and flexion gap symmetry. In contrast to this, only the epicondylar axis and the flexion gap stability can be controlled postoperatively. The article gives an overview about what is, based on the actual literature nowadays, defined to be a correct femoral rotation.
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