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Anatomy of the distal forearm

Soft tissue anatomy – posterior

Extensor compartments:

  1. Abductor pollicis longus and extensor pollicis brevis
  2. Extensor carpi radialis longus and brevis
  3. Extensor pollicis longus
  4. Extensor digitorum communis and extensor indicis proprius
  5. Extensor digiti minimi
  6. Extensor carpi ulnaris


  1. Dorsal sensory branch of the radial nerve
  2. Dorsal sensory branch of ulnar nerve