Pronator quadratus

Dr Henry Knipe et al.

Pronator quadratus is the most distal muscle that makes up the deepest layer of the anterior compartment of the forearm.

Summary

  • origin: anterior surface of distal quarter of ulnar shaft
  • insertion: anterior surface of distal quarter of radial shaft
  • innervation: median nerve (C7-T1)
  • action: pronates forearm
Upper limb anatomy
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Article information

rID: 23267
Section: Anatomy
Synonyms or Alternate Spellings:
  • PQ

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