Abductor Digiti Minimi (Foot)

Written by Sanya Trikha

Last updated January 31, 2023 • 3 Revisions •

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.

Fig 1
The first layer of plantar muscles. The plantar aponeurosis has been cut to reveal the underlying flexor digitorum.

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