By modified by Uwe Gille - Gray437.png, Public Domain,

By modified by Uwe Gille - Gray437.png, Public Domain,

What's in a name:

  • Extensor - early 18th century: from late Latin, from extens- 'stretched out', from the verb extendere - Oxford Dictionary
  • Hallucis - mid 19th century: modern Latin alteration of medieval Latin allex, Latin hallus (referring to big toe) - Oxford Dictionary
  • Digitorum - From the latin digitus - refering to a finger or toe - Oxford Dictionary
  • Longus - late 17th century: longus is the Latin word for 'long' - Oxford Dictionary

EHL - Extensor Hallucis Longus -

Extensor Hallucis Longus (EHL):

  • Origin: Middle two quarters of the anterior surface of the fibula and adjacent interosseous membrane (11, 15).
  • Insertion: Base of the distal phalanx of the great toe (11).
  • Nerve: Deep fibular (peroneal) nerve arising from the common fibular (peroneal) nerve after splitting from the sciatic nerve arising from the sacral plexus, and originating from nerve roots L5, S1, and sometimes L4.
  •  Action:
    • Extension of the first metatarsophalangeal and interphalangeal joints.
    • Dorsiflexion of the ankle, as well as, a weak invertor of the foot and ankle (8,11, 15)

Extensor Digitorum Longus (EDL):