Extensor Hallucis Longus

Description

Muscles of the anterior compartment of the leg

Origin

• Fibula (medial surface, middle 1/3)
• Interosseous Membrane of the Leg
• Originates in the Anterior compartment of the Leg

Insertion

• Great Toe (base of distal phalanx)

Actions

• Extension of MTP and Interphalangeal Joint of great toe
• Dorsiflexion of foot

Vascular Supply

• Anterior Tibial Artery

Nerve

• Deep Fibular Nerve (L5-S1)

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Clinical Significance

• Extensor Hallucis Longus Paralysis
• L5 Nerve Root Injury
• Acute Compartment Syndrome
• Chronic Exertional Compartment Syndrome

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See Also

• Physical Exam Foot
• Foot Anatomy (Main)
• Foot Pain (Main)

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