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Extensor Hallucis Longus Muscle

image descriptionExtensor Hallucis Longus Muscle

Extensor Hallucis Longus Muscle with other muscles attached to lower limb skeleton
Extensor Hallucis Longus Muscle with other muscles attached to lower limb skeleton
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image descriptionAttachments of Extensor Hallucis Longus Muscle: Origin & Insertion

Origin: (proximal attachments):

  1. Middle anterior surface of fibula.
  2. interosseous margin.

Insertion: (distal attachments):
Distal phalanx #1 (big toe).

Extensor Hallucis Longus Muscle with other muscles attached to lower limb skeleton
Extensor Hallucis Longus Muscle - Origin and Insertion
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Actions of Extensor Hallucis Longus on the foot:

a. image descriptionExtends toes #1 (big toe).

b. image descriptionDorsiflexes foot at ankle.

c. image descriptionInverts foot at ankle.

Nerve to Muscle and its Spinal Segment:

Deep peroneal nerve (L4, L5, S1).

Overview:

Extensor Digitorum Longus Muscle - Test yourself 16
Extensor Digitorum Longus Muscle - Test yourself 1
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Test yourself while observing the Extensor Hallucis Longus Muscle
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