Forearm and Hand: Posterior Region 421
Vessels and nerves of right forearm, superficial layer
Vessels and nerves of right forearm, deep layer
1 Tendon of triceps brachii muscle
5 Extensor carpi ulnaris muscle
7 Posterior interosseous artery
8 Extensor pollicis longus muscle
10 Tendon of extensor carpi ulnaris muscle
12 Dorsal branch of ulnar nerve
16 Lateral epicondyle of humerus
17 Extensor carpi radialis longus muscle
18 Extensor carpi radialis brevis muscle
19 Abductor pollicis longus muscle
20 Tendons of extensor digitorum muscle
21 Extensor pollicis brevis muscle
22 Superficial branch of radial nerve
24 Posterior interosseous nerve
25 Posterior interosseous branch of
26 Posterior branch of anterior
Forearm and Hand: Anterior Region
Vessels and nerves of right forearm and hand, superficial
Vessels and nerves of right forearm and hand, superficial
layer (palmar aspect). The palmar aponeurosis of the hand and
the bicipital aponeurosis have been removed.
Forearm and Hand: Anterior Region 423
Vessels and nerves of forearm and hand, deep layer (palmar
aspect). The superficial layer of the flexor muscles has been
5 Superficial branch of radial nerve
10 Common palmar digital branches of median nerve
11 Common palmar digital arteries
12 Proper palmar digital nerves (median nerve)
14 Medial intermuscular septum of arm
15 Superior ulnar collateral artery
17 Medial epicondyle of humerus
22 Flexor carpi radialis muscle
23 Flexor digitorum superficialis muscle
24 Flexor carpi ulnaris muscle
25 Tendon of palmaris longus muscle
26 Remnant of antebrachial fascia
27 Superficial branch of ulnar nerve
32 Superficial transverse metacarpal ligament
33 Common palmar digital branch of ulnar nerve
34 Proper palmar digital branches of ulnar nerve
35 Anterior interosseous artery and nerve
36 Flexor digitorum profundus muscle
37 Common palmar digital arteries
38 Palmar branch of median nerve
39 Flexor pollicis longus muscle
40 Palmar branch of ulnar nerve
Innervation pattern of palmar surfaces of hand.
31/2 digits by median nerve, 11/2 digits by ulnar nerve.
Innervation pattern of posterior surfaces of hand.
21/2 digits by radial nerve, 21/2 digits by ulnar nerve. Note that
the terminal branches to the dorsal surfaces of the distal
phalanges are derived from the palmar digital nerves.
The cutaneous distribution varies; often 31/2 digits are
innervated by the radial and 11/2 digits by the ulnar nerve.
Posterior region of hand (superficial layer). Cutaneous
nerves and veins are depicted.
Posterior region of hand (deeper layer).
Extensor digitorum muscle has been partly removed.
1 Posterior cutaneous nerve of forearm (branch of radial nerve)
3 Tendon of extensor carpi ulnaris muscle
6 Dorsal venous network of hand
7 Abductor pollicis longus muscle
9 Extensor pollicis brevis muscle
10 Radial nerve, superficial branch
12 Tendon of extensor pollicis longus muscle
13 Dorsal digital branches of radial nerve
14 Tendons of extensor digitorum muscle with intertendinous connections
15 Posterior interosseus nerve (branch of the deep radial nerve)
16 Posterior interosseous artery
18 Dorsal interosseus muscle IV
19 Dorsal carpal branch of radial artery
20 Lateral cutaneous nerve of forearm
(branch of musculocutaneous nerve)
22 Proper dorsal digital branches of ulnar nerve
23 Regions supplied by palmar digital nerves (ulnar nerve)
24 Regions supplied by palmar digital nerves (median nerve)
25 Communicating branch with ulnar nerve
(MRI scan, courtesy of Prof. Heuck, Munich).
8 Metacarpophalangeal joint of thumb
11 Proximal phalanx of fingers
23 Abductor digiti minimi muscle
27 Proper palmar digital arteries
28 Second and third metacarpal bones
29 Tendons of flexor digitorum superficialis
Axial section through the left hand (MRI scan;
Comments
Post a Comment
اكتب تعليق حول الموضوع