Leg/Foot Ant Compartment

Question 1

Anterior Compartment

Answer 1

Peroneus Tertius
Anterior Tibialis
EDL
EHL
Deep Peroneal N
Anterior Tibial A & V

Question 2

Anterior Tibialis

Answer 2

PA: Lateral condyle of the tibia, lateral surface of the tibia along its proximal 2/3, adjoining interosseous membrane

DA: Medial cuneiform and 1st MT base

Inn: Deep peroneal (L4,5)

Action: DF ankle, inverts foot

Question 3

Extensor Hallucis Longus

Answer 3

PA: Medial. Anterior surface of the fibula along its middle 1/2, adj interosseus membrane

DA: Base of distal phalanx of great toe along its dorsal surface

Inn: Deep peroneal (L5)

Actions: Extends hallux, DF ankle and foot

Question 4

Extensor Digitorum Longus

Answer 4

PA: Lateral tibial condyle, medial surface of the fibula along its proximal 3/4, adj interosseous membrane

DA: Distal phalanges of less 4 digits

Inn: Deep peroneal (L5, S1)

Actions: Extends lesser 4 digits, DF ankle and foot

Question 5

Peroneus Tertius

Answer 5

PA: Medial surface of the fibula along its distal 1/3, adjoining interosseous membrane

DA: Base of 5th MT along its dorsal surface medially

Inn: Deep peroneal (L5,S1)

Actions: DF foot and ankle, everts foot