The flexor digiti minimi brevis is an intrinsic muscle of the foot. It is located within the third plantar muscle layer of the foot. Attachments: Originates from the base of the fifth metatarsal and attaches to the base of the proximal phalanx of the fifth digit. Actions: Flexion of the little toe at the metatarsophalangeal joint. Innervation: Superficial branch of lateral plantar nerve. Blood Supply: Branches of the anterior and posterior tibial arteries. 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