Anatomy - leg compartments

Question 1

What are the four compartments of the leg?

Answer 1

1. Anterior
2. Lateral
3. Superficial posterior
4. Deep Posterior

Question 2

What muscle, nerve and artery are in the anterior compartment and what action does it do??

Answer 2

Muscle - Tibialis anterior, extensor digitorum longus, extensor hallucis longus

Nerve - Deep peroneal

Artery - anterior tibial

Action - dorsiflexion

Question 3

What muscle, nerve and artery are in the lateral compartment and what action does it do??

Answer 3

Muscle - Peroneus longus and brevis

Nerve - Superficial peroneal

Action - Eversion and plantarflexion

Artery - None

Question 4

What muscle, nerve and artery are in the superficial posterior compartment and what action does it do??

Answer 4

Muscle - gastrocnemius, soleus, plantaris

Nerve - Tibial (sural nerve)

Artery - Sural

Action - Plantarflexion

Question 5

What muscle, nerve and artery are in the deep posterior compartment and what action does it do??

Answer 5

Muscle - Tibialis posterior, flexor digtorum longus, flexor hallucis longus

Nerve - tibial

Artery - posterior tibialis and peroneal (more lateral)

Action - plantar flexion