Adductor Hallucis

Written by Sanya Trikha

Last updated January 31, 2023 • 3 Revisions •

The adductor hallucis is an intrinsic muscle of the foot. It is located within the third plantar muscle layer of the foot and has two heads – oblique and transverse.

  • Attachments:
    • Oblique head – originates from the bases of the 2nd, 3rd, and 4th metatarsals.
    • Transverse head – originates from the plantar ligaments of the metatarsophalangeal joints.
    • Both heads attach to the lateral aspect of the base of the proximal phalanx of the great toe.
  • Actions: Adduction of the great toe. Supports the transverse arch of the foot.
  • Innervation: Deep branch of lateral plantar nerve.
  • Blood Supply: Medial plantar artery

    Fig 4
    The third layer of plantar muscles.

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