Action of popliteus is -: (A) Locking of knee joi nt, (B) Unlocking of knee joint, (C) Medial rotation of femur on tibia, (D) None
Answer is B. Ans. is 'b' i.e., Unlocking of knee joint Popliteus* Popliteus is a deep muscle of posterior compartment of leg.* Features of popletius are -Origin# Lateral surface of lateral condyle of femur, origin is intracapsular.# Outer margin of lateral meniscus of knee.Insertion# Posterior surface of shaft of tibia above soleal line.Nerve supply# Tibial nerveAction# Ulocks knee joint by lateral rotation of femur on tibia prior flexion.# Accessory flexor of knee.