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Extensor Hallucis Longus

Region

Origin & Insertion

['Origin: Anterior fibula and interosseous membrane', 'Insertion: Distal phalanx of great toe']

Synergistic Muscles

['Tibialis anterior', 'EDL']

Joints

['Ankle', '1st MTP and IP joints']

Primary Actions

['Extends great toe', 'Dorsiflexion']

Nerve & Spinal Segment

Deep fibular (peroneal) nerve

Sacral plexus; L5–S1

Interesting

Crosses deep to TA. [Gray's]

Reversal of Action

Lift shin using big toe anchor

Common Dysfunctions

Weak toe lift, impaired toe clearance in gait

How to Stretch

Toe flexion with PF.

Trigger Points

How to Strengthen

Toe lifts and holds.

Concentric Action

Extend big toe and assist DF

Applications:

Important in toe-off phase and neurologic foot retraining

Eccentric Action

Control toe flexion under load

Isotonic Action

Toe extension drills with band

Related Conditions

['Turf toe', 'Hallux limitus']

Isometric Action

Hold toe in extension

Exercise Ideas

['Toe tap raise', 'Band extension', 'DF with toe lift']

Related Blogs

Images

Videos

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