Pronator Quadratus

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
Pronator quadratus

Origin

Distal 1/4 of ulna (anterior surface)1

Insertion

Distal ¼ of radius (anterior surface)1

Innervation

Anterior Interosseous N. (C8, T1)1

Action

  • Forearm: Pronation1
  • Distal RU: Stabilization1

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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