Tag: usmle mnemonics

Anatomical structures passing through Retinaculum in hand

by mediconepal

March 19, 2020

Structures passing beneath the flexor retinaculum From medial to lateral: Flexor digitorum superficialis Flexor digitorum profundus Medial N Flexor pollicis ...

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

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