Anterior gliding of tibia on femur prevented by -: (A) Anterior cruciate ligament, (B) Posterior cruciate ligament, (C) Ligament of humprey, (D) Ligament of wriesberg
Answer is A. Ans. is 'a' i.e., Anterior cruciate ligament * ACL provides antero-posterior stability and prevents anterior gliding of tibia on femur and prevents hyperextension.* PCL prevents posterior gliding (subluxation) of tibia over femur.