Opponens Digiti Minimi (Hand)

Authors
Affiliations

Nathaniel Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Muscle Origin Insertion Innervation Action
Opponens digiti minimi (hand)

Origin

  • Hook of hamate1
  • Flexor retinaculum1

Insertion

5th Metacarpal (ulnar border)1

Innervation

Deep Br. of Ulnar N. (C8, T1)1

Action

5th MCP: Draws anterior and rotates it towards the thumb1

Notes

1.
Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.

Citation

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