Nerves/Veins of the Hand + Carpal Tunnel

Median Nerve

½ lumbricals, opponens pollicis, abductor pollicis brevis, flexor pollicis brevis (1/2 LOAF)

Median + Ulnar Nerves

motor and sensory to the hand

Radial nerve

sensory to lateral dorsal skin of hand

Dorsal Venous plexus

drain into cephalic vein and basilic vein

Superficial and deep venous palmar arches

drain into the deep veins of the forearm

Radial artery

curves dorsally around scaphoid and trapezium crossing floor of anatomical snuff box

Deep Palmar Arch

made from radial artery, radialis indicis artery, princeps pollicis artery, 3 palmar metacarpal arteries

Ulnar Canal

ulnar artery enters the hand anterior to the flexor retinaculum between pisiform and hook of hamate

Ulnar artery divides

Superficial palmar arch and deep palmar branch

Carpal Tunnel contents

4 tendons of flexor digitorum superficialis, 4 tendons of flexor digitorum profundus, 1 tendon of flexor pollicis longus, 1 median nerve