Authors of section


Fergal Monsell, Dalia Sepulveda

General Editor

Chris Colton

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Anatomy of the distal forearm

1. Introduction

A thorough knowledge of the anatomy of the wrist is essential. The following illustrations give a short introduction.

2. 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
closed reduction short or long arm cast

3. Soft-tissue anatomy - anterior

  1. Radial artery
  2. Flexor carpi radialis tendon
  3. Median nerve
  4. Motor branch of the median nerve
  5. Pronator quadratus muscle
  6. Flexor digitorum profundus tendons
  7. Flexor digitorum superficialis tendons
  8. Palmar cutaneous branch of the median nerve
  9. Palmaris longus tendon
anatomy of the distal forearm
  1. Lister's tubercle
  2. Sigmoid notch
  3. Ulnar head
  4. Ulnar styloid process
  5. Radial styloid
  6. Scaphoid facet
  7. Lunate facet
anatomy of the distal forearm
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