Abductor Digiti Minimi

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Original Author(s): Oliver Jones
Last updated: October 13, 2022
Revisions: 3

Original Author(s): Oliver Jones
Last updated: October 13, 2022
Revisions: 3

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The abductor digiti minimi is a hypothenar muscle located within the hand. It is the most superficial of the hypothenar muscles.

  • Attachments: Originates from the pisiform and the tendon of the flexor carpi ulnaris. Attaches to the base of the proximal phalanx of the little finger.
  • Actions: Abduction of the little finger
  • Innervation: Ulnar nerve.
  • Blood supply: Deep palmar arch

Figure 1 – Superficial and deep layers of the hypothenar muscles