<prompt> Anteroposterior stability of the knee joint is maintained by:Oblique popliteal ligamentMedial menisciCruciate ligamentsMedial collateral ligaments  <response>: Ans. C. Cruciate ligamentsThe cruciate ligaments of the knee are the anterior cruciate ligament ACL and the posterior cruciate ligament PCL. These ligaments are two strong, rounded bands that extend from the head of the tibia to the intercondyloid notch of the femur. They cross each other like the limbs of an X. They maintain anteroposterior stability of the knee joint. 