Anatomy of the distal forearm

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

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

Nerves:

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

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