Pronator Teres

Written by Dr Oliver Jones

Last updated November 6, 2025
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Pronator Teres - Podcast Version

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The pronator teres is a muscle within the superficial compartment of the anterior forearm.

The lateral border of the pronator teres forms the medial border of the cubital fossa – an anatomical area located over the elbow.

  • Attachments: Originates from the medial epicondyle of the humerus and the coronoid process of the ulna. It attaches laterally to the mid-shaft of the radius.
  • Actions: Pronation of the forearm.
  • InnervationMedian nerve.
  • Blood supply: Ulnar artery
Illustration of the superficial muscles of the anterior forearm, including Flexor Carpi Ulnaris, Flexor Carpi Radialis, Palmaris Longus, and Pronator Teres.

Fig 1
The superficial muscles of the anterior forearm.

Pro Feature - 3D Model