The abductor digiti minimi 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 and lateral tubercles of the calcaneus and the plantar aponeurosis. It attaches to the lateral base of the proximal phalanx of the 5th digit.
- Actions: Abduction and flexion of the little toe.
- Innervation: Lateral plantar nerve (branch of the tibial nerve).
- Blood Supply: Lateral plantar artery.
By TeachMeSeries Ltd (2024)
Fig 1 – The first layer of plantar muscles. The plantar aponeurosis has been cut to reveal the underlying flexor digitorum.