- Origin:
- middle 1/2 of the anterior surface of the fibula and adjacent interosseus membrane.
- the EHL lies dorsal to the
EHB and is prevented from
subluxation by the dorsal extensor hood;
- Insertion:
- dorsal surface of base of distal phalanx of hallux
- Nerve supply:
- deep
peroneal ,
L5
>
L4 ,
S1 ;
(See
Innervation )
- Action:
- extends distal phalanx of the great toe. continued action extends proximal
phalanx and dorsiflexes and supinates the foot at the ankle.
- synergist:
Extensor Hallucis Brevis;
-----------------------------------
Extensor hallucis longus transfer for hallux varus deformity.
