4. Extensor Hallucis Longus
Origin: Middle part of the anterior fibula and interosseous membrane
Insertion: Dorsal aspect of base of the of digit 1 phalanx
Action:
- Extension of digit 1
- Assists with dorsiflexion of the ankle
Innervation: Deep fibular nerve (L5/S1)



Needling
Position: Supine
Palpation: Palpate the anterior shin and resist extension of digit 1 to help isolate this muscle
Technique: Needle perpendicular to this muscle
Caution: Low – deep peroneal nerve is located just deep to this muscle

Video 3.4 Needling of extensor hallucis longus, original video by Nadine Crocker, CC BY-NC 4.0.