<prompt> A patient sustained a hyperextension injury to his knee. Which of the following ligament prevents excess - anterior gliding movement of femur on tibia?Anterior cruciate ligamentPosterior cruciate ligamentMedial collateral ligamentLateral collateral ligament  <response>: ACL- prevents anterior gliding of tibia on femur PCL- prevents posterior gliding of tibia on femur Ref: spos medicine 4the p.83 