Last update: Sep 3rd, 2017

Extensor Digitorum Longus Muscle – Attachments, Actions & Innervation

Extensor Digitorum Longus Muscle

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Attachments of Extensor Digitorum Longus Muscle: Origin & Insertion

Origin: (proximal attachments)
Lateral condyle of tibia & superior 3/4 of anterior surface of fibula; interosseous margin.

Insertion: (distal attachments)
Middle & distal phalanges of digits 2-5.

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Actions of Extensor Digitorum Longus on the foot:

a. Extends toes 2-5.

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b. Dorsiflexes foot at ankle.

Nerve to Muscle and its Spinal Segment:

Deep peroneal nerve (L4, L5, S1).

Overview:

Test yourself while observing the Extensor Digitorum Longus Muscle

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