Lower Limb - Posterior Compartment Leg

Question 1

1. 1. Name the muscles of the superficial posterior compartment of the leg
2. 2. Name their action(s)
3. 3. Innervation

Answer 1

1. 1. Gastrocnemius, soleus, plantaris
2. 2. Plantar flexion, knee F
3. 3. Tibial nerve

Question 2

1. 1. Name the muscles of the deep layer of the posterior compartment of the leg
2. 2 Name their action
3. 3. Innervation

Answer 2

1.1. Popliteus, Flexor Digitorum Longus (FDL), Tibialis Posterior, Flexor Hallucis Longus (FHL)

1.2.
Popliteus - unlocks knee joint (lateral rotation of femur on tibia)
FDL - flexes lateral 4 toes
TP - PF, inversion, support of medial arch
FHL - flexes 1st toe

1.3. Tibial nerve