Structures passing beneath the flexor retinaculum
From medial to lateral:
- Flexor digitorum superficialis
- Flexor digitorum profundus
- Medial N
- Flexor pollicis longus
- Flexor carpi radialis
4 muscles and 1 nerve,ulnar bursa and radila bursa also lie deep to Flexor retinaculum
Structures passing above flexor retinaculum
From medial to lateral:
- Flexor carpi ulnaris tendon
- Ulnar N
- Ulnar artery
- Palmar cutaneous br of Ulnar N
- Palmaris Longus tendon
- Palmar cutaneous br of Median N
2 tendons and 3 nerves and an artery.
Extensor retinaculum
Structures passing through
from Medial to lateral:
- Extensor carpi ulnaris
- Extensor digiti minimi
- Extensor digitorum and extensor indicis
- Extensor pollicis longus
- Extensor carpi radialis longus and ext carpi radialis brevis
- Abductor pollicis longus,ext pollicis brevis,radial artery(Anatomical snuff box)
Structures passing superficial
- Dorsal/post cutaneous br of Ulnar N
- Basilic vein
- Cephalic vein
- Superficial br of radial N
Anatomical structures passing through Retinaculum in hand
