Fig. 4From: Tibial internal rotation in combined anterior cruciate ligament and high-grade anterolateral ligament injury and its influence on ACL lengthAxial center of rotation and simulation of tibial internal rotation. Axial center of rotation: 15 mm lateral to the center of the medial condyle (orange planes) on the projected femoral flexion circle axis (blue) (A, B). Tibial internal rotation was simulated around the axial center of rotation (C)Back to article page