Fig. 4From: Varus-valgus instability in the anterior cruciate ligament-deficient knee: effect of posterior tibial loadLateral view of porcine knee joint [medial (a) and lateral (b) side]. The anterior slope of the lateral tibial convex plateau seemed to be too steep (black arrow) to overcome the lateral femoral condyle and translate anterio-proximally in response to valgus torque under restriction of the internal rotationBack to article page