Knee Anatomy

In general, the posterior cruciate ligament stops excessive rotation, stabilizes the knee in full extension, and prevents hyperextension.

• True

• False

The extensor mechanism of the knee consists of the quadriceps muscle group, the patellar tendon, the patella located within that tendon, and the tibial tubercle.

• True

• False

Which of the following is a ligament that protects the knee from valgus stress and external tibial rotation?

• the gluteus maximus

• the posterior cruciate

• the medial collateral

• the adductor magnus

Which of the following muscles allows for internal rotation of the tibia?

• the biceps femoris

• the vastus medialis

• the gastrocnemius

• the popliteus

Which of the following movements at the knee joint is produced by the biceps femoris muscle of the hamstring muscle group?

• knee extension

• knee flexion

• internal tibial rotation

• external tibial rotation

Which of the following are the main sources of stability in the knee?

• menisci

• ligaments

• bones

• cartilage