Adductor Hallucis

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
  By TeachMeSeries Ltd (2025)

  

  Fig 4
  The third layer of plantar muscles.