The abductor hallucis is an intrinsic muscle of the foot. It is located within the first (most superficial) plantar muscle layer of the foot. Attachments: Originates from the medial tubercle of the calcaneus, the flexor retinaculum and the plantar aponeurosis. It attaches to the medial base of the proximal phalanx of the great toe. Actions: Abduction and flexion of the great toe. Innervation: Medial plantar nerve (branch of the tibial nerve). Blood Supply: Medial plantar and plantar metatarsal arteries By TeachMeSeries Ltd (2025) Fig 1The first layer of plantar muscles. The plantar aponeurosis has been cut to reveal the underlying flexor digitorum. 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