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 4The third layer of plantar muscles. Pro Feature - 3D Model You've Discovered a Pro Feature Access our 3D Model Library Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way. Learn More Print Article Rate This Article