WristandHand
6
Plate452
IntrinsicMusclesofHand
Pronator quadratus muscle
Ulnar nerve
Ulnar artery and palmar carpal branch
Flexor carpi ulnaris tendon
Palmar carpal arterial arch
Pisiform
Median nerve
Abductor digiti minimi muscle (
cut
)
Deep palmar branch of ulnar artery
and deep branch of ulnar nerve
Flexor digiti minimi brevis muscle (
cut
)
Opponens digiti minimi muscle
Deep palmar (arterial) arch
Palmar metacarpal arteries
Common palmar digital arteries
Deep transverse metacarpal ligaments
Radial artery and palmar carpal branch
Radius
Superficial palmar branch of radial artery
Flexor retinaculum (transverse
carpal ligament) (
reflected
)
Opponens pollicis muscle
Branches of median nerve
to thenar muscles and to 1st
and 2nd lumbrical muscles
Abductor pollicis
brevis muscle (
cut
)
Flexor pollicis
brevis muscle
Adductor pollicis
muscle
1st dorsal
interosseous muscle
Branches from deep
branch of ulnar nerve
to 3rd and 4th lumbrical
muscles and to all
interosseous muscles
Lumbrical muscles (
reflected
)
Anterior (palmar) view
Radius
Ulna
Palmar interosseous
muscles (unipennate)
Deep transverse
metacarpal
ligaments
Radius
Ulna
Abductor digiti
minimi muscle
Radial artery
Abductor pollicis
brevis muscle
Dorsal
interosseous
muscles
(bipennate)
Anterior
(palmar) view
Tendinous slips
to extensor
expansions
(hoods)
Note: Arrows indicate action of muscles.
Posterior
(dorsal) view
1
1
2
2
3
3
4
