General Editor: Chris Colton

Authors: Fergal Monsell, Dalia Sepulveda

Pediatric distal forearm

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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


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

  1. Lister's tubercle
  2. Sigmoid notch
  3. Ulnar head
  4. Ulnar styloid process
  5. Radial styloid
  6. Scaphoid facet
  7. Lunate facet

v1.0 2016-12-01