Pronator teres

Dr Henry Knipe et al.

Pronator teres is a two-headed flexor and pronator of the forearm, found superficially in the anterior compartment of the forearm.


  • origin
    • humeral head: medial epicondyle of the humerus
    • ulnar head: coronoid process of the ulna
  • insertion: lateral surface of the middle-third radius
  • innervation: median nerve
  • action: weak flexor at the elbow joint; strong pronator of the forearm joints
Upper limb anatomy
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Article information

rID: 23238
Section: Anatomy
Synonyms or Alternate Spellings:
  • Pronator teres muscle

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