Posterior Interosseous Nerve - Supply

Supply

It supplies all the muscles on the radial side and dorsal surface of the forearm, except the Anconæus, Brachioradialis, Extensor carpi radialis longus. In other words, it supplies the following muscles:

  • Extensor carpi radialis brevis - deep branch of radial nerve
  • Extensor digitorum
  • Extensor digiti minimi
  • Extensor carpi ulnaris
  • Supinator muscle - deep branch of radial nerve
  • Abductor pollicis longus
  • Extensor pollicis brevis
  • Extensor pollicis longus
  • Extensor indicis

Read more about this topic:  Posterior Interosseous Nerve

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