Extensor Hallucis Longus Muscle

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A muscle in the lower extremity that originates from the middle third of the medial surface of the fibula and the adjacent interosseous membrane and attaches to the base and dorsal center of the distal phalanx of the great toe; it functions to extend the big toe and dorsiflex the ankle.

**Synonyms:** - EXTENSOR HALLUCIS LONGUS MUSCLE