Unlocking of knee is done by which muscle:September 2009, March 2013 (d, e, h)
Ans. C: PopliteusPopliteus muscleOrigin: Lateral surface of lateral condyle of femurInseion: Posterior surface of shaft of tibia above soleal lineNerve supply: Tibial nerve L4, 5; S1Action: Flexes leg at knee joint; unlocks knee joint by lateral rotation of femur on tibia and slackens ligaments of joint
Adductor magnus
Biceps femoris
Popliteus
Saorius