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Extensor Digitorum Longus Muscle – Attachments, Actions & Innervation

image descriptionExtensor Digitorum Longus Muscle

Extensor Digitorum Longus Muscle with other attached muscle attach to the skeleton of the lower limb
Extensor Digitorum Longus Muscle highlighted with other attached muscle attach to the skeleton of the lower limb
Extensor Digitorum Longus Muscle highlighted with other attached muscle attach to the skeleton of the lower limb
Extensor Digitorum Longus Muscle Alone attach to the skeleton of the lower limb
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image descriptionAttachments 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.

Extensor Digitorum Longus Muscle highlighted with other attached muscle attach to the skeleton of the lower limb
Extensor Digitorum Longus Muscle highlighted with other attached muscle attach to the skeleton of the lower limb
The origin and insertion of the Extensor Digitorum Longus Muscle with the skeleton of the lower limb
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Actions of Extensor Digitorum Longus on the foot:

a. image descriptionExtends toes 2-5.

b. image descriptionDorsiflexes foot at ankle.

Nerve to Muscle and its Spinal Segment:

Deep peroneal nerve (L4, L5, S1).

Overview:

Extensor Digitorum Longus Muscle - Test yourself
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Test yourself while observing the Extensor Digitorum Longus Muscle
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