Abductor hallucis muscle

Last revised by Craig Hacking on 3 Aug 2021

The abductor hallucis muscle forms the medial margin of the foot and contributes to a soft tissue bulge on the medial side of the sole.


  • origin: medial process of calcaneal tuberosity
  • insertion: medial side of base of proximal phalanx of great toe
  • action: abducts and flexes great toe at metatarsophalangeal joint
  • arterial supplymedial plantar artery
  • innervation: medial plantar nerve from tibial nerve

Related pathology

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