Fibularis (Peroneus) Tertius Muscle - Attachments, Actions & Innervation
Extensor Hallucis Longus Muscle
The extensor hallucis longus is a muscle in the anterior compartment of the leg muscles, that primarily extends the great toe.
Attachments of Extensor Hallucis Longus Muscle: Origin & Insertion
Origin: (proximal attachments):
- Middle anterior surface of fibula.
- interosseous margin.
Insertion: (distal attachments):
Distal phalanx #1 (big toe).
Actions of Extensor Hallucis Longus on the foot:
a. Extends toes #1 (big toe).
b. Dorsiflexes foot at ankle.
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c. Inverts foot at ankle.
Nerve to Muscle and its Spinal Segment:
Deep peroneal nerve (L4, L5, S1).
Muscles That Act On Foot & Ankle (From Ant. Leg Comp.)