Anterior Compartment Muscles of the Leg

Question 0

Extensor Hallucis Longus

Answer 0

Origin: Middle part of anterior surface of fibula and interosseous membrane

Insertion: Dorsal aspect of base of distal phalanx of great toe (hallux)

Innervation: Deep fibular nerve L5, S1

Question 1

Tibialis Anterior

Answer 1

Origin: Lateral condyle and superior half of lateral surface of tibia and interosseous membrane

Insertion: Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal

Innervation: Deep fibular nerve (L4, L5)

Question 2

Extensor Digitorum Longus

Answer 2

Origin: Lateral condyle of tibia and superior 3/4 of anterior surface of interosseous membrane

Insertion: Middle and distal phalanges of lateral four digits

Innervation: Deep fibular nerve (L5, S1)

Question 3

Fibularis Tertius

Answer 3

Origin: Inferior 1/3 of anterior surface of fibula and interosseous membrane

Insertion: Dorsum of base of 5th metatarsal

Innervation: Deep fibular nerve (L5, S1)