Posterior cruciate ligament prevents the following action of the tibia on femur?: (A) Anterior dislocation, (B) Posterior dislocation, (C) Rotation, (D) Limit hyperflexion
Answer is B. Functions of posterior cruciate ligament:Stabilises kneePrevents posterior dislocation of the tibia on femurLimits hyper extension of knee only if the anterior cruciate is rupturedFunction of ACL: Prevents anterior dislocation of the tibia on femur Ref: BDC, 4th Volume, 2/145