Arm

1 Ascending cervical artery

2 Vertebral artery

3 Transverse cervical artery

4 Suprascapular artery

and nerve

5 Deltoid muscle

6 Musculocutaneous nerve

7 Axillary nerve

8 Radial nerve

9 Ulnar nerve

10 Median nerve

11 Biceps brachii muscle

12 Brachioradialis muscle

Nerves and arteries of neck and arm (anterior aspect).

Arteries are colored in red. The course of the radial nerve is

indicated by a wire probe (arrow).

13 Deep branch of radialis nerve

14 Superficial branch of

radialis nerve

15 Flexor carpi radialis muscle

16 Radial artery

17 Common carotid artery

18 Brachiocephalic trunk

19 Subclavian artery

20 Brachial plexus

21 Axillary artery

22 Intercostobrachial nerve

23 Brachial artery

24 Latissimus dorsi muscle

415

Right arm. Dissection of vessels

and nerves (medial aspect).

Shoulder girdle has been reflected

slightly.

1 Radial artery and

superficial branch

of radial nerve

2 Lateral cutaneous nerve of

forearm

3 Brachioradialis muscle

4 Ulnar artery

5 Tendon of biceps brachii

muscle

6 Brachialis muscle

7 Pronator teres muscle

17 Thoracodorsal nerve and artery

18 Serratus anterior muscle

19 Subscapular artery

20 Pectoralis major muscle

(reflected) and lateral pectoral

nerve

21 Radial nerve and profunda

brachii artery

22 Axillary nerve

23 Roots of the median nerve

with axillary artery

24 Musculocutaneous nerve

25 Pectoralis minor muscle

(reflected) and medial pectoral

nerve

26 Posterior cord of brachial

plexus

27 Clavicle (cut)

28 Lateral cord of brachial plexus

29 Medial cord of brachial plexus

30 Subclavian artery

31 Brachial vein

8 Median nerve

9 Medial epicondyle

of humerus

10 Inferior ulnar collateral artery

11 Ulnar nerve

12 Medial cutaneous nerve

of forearm

13 Brachial artery

14 Biceps brachii muscle

15 Intercostobrachial nerve (T3)

16 Latissimus dorsi muscle

Right arm. Dissection of vessels

and nerves, deeper layer.

Biceps muscle has been reflected.

Arm

416

13

Cubital Region

Cubital region (anterior aspect). Dissection of cutaneous nerves and

veins.

Cubital region, superficial layer (anterior aspect). The fasciae

of the muscles have been removed.

1 Biceps brachii muscle with fascia

2 Cephalic vein

3 Median cubital vein

4 Lateral cutaneous nerve of forearm

5 Tendon and aponeurosis of biceps brachii muscle

(covered by the antebrachial fascia)

6 Brachioradialis muscle with fascia

7 Accessory cephalic vein

8 Median vein of forearm

9 Branches of lateral cutaneous nerve of forearm

10 Terminal branches of medial cutaneous nerve of arm

11 Medial cutaneous nerve of forearm

12 Basilic vein

13 Medial epicondyle of humerus

14 Terminal branches of medial cutaneous nerve

of forearm

15 Biceps brachii muscle

16 Tendon of biceps brachii muscle

17 Radial nerve

18 Brachioradialis muscle

19 Radial recurrent artery

20 Radial artery

21 Ulnar nerve

22 Superior ulnar collateral artery

23 Medial intermuscular septum

24 Brachial artery

25 Median nerve

26 Pronator teres muscle

27 Bicipital aponeurosis

28 Ulnar artery

29 Palmaris longus muscle

30 Flexor carpi radialis muscle

31 Flexor digitorum superficialis muscle

32 Flexor carpi ulnaris muscle

Cubital Region 417

Cubital region, middle layer (anterior aspect). The bicipital

aponeurosis has been removed.

1 Median nerve

2 Biceps brachii muscle

3 Brachial artery

4 Lateral cutaneous nerve of forearm

(terminal branch of musculocutaneous nerve)

5 Brachialis muscle

6 Tendon of biceps brachii muscle

7 Brachioradialis muscle

8 Radial artery

9 Ulnar artery

10 Superficial branch of radial nerve

11 Lateral cutaneous nerve of forearm

12 Medial cutaneous nerve of forearm

13 Triceps brachii muscle

14 Ulnar nerve

15 Inferior ulnar collateral artery

16 Anterior branch of medial cutaneous nerve of forearm

17 Medial epicondyle of humerus

18 Median nerve with branches to pronator teres muscle

19 Pronator teres muscle

20 Flexor carpi radialis muscle

21 Deep branch of radial nerve

22 Radial recurrent artery

23 Supinator muscle

24 Medial intermuscular septum of arm

Cubital region, middle layer (anterior aspect).

teres and brachioradialis muscles have been slightly reflected.

middle layer (anterior aspect). The pronator

.

418 Cubital Region

Cubital region, deep layer (anterior aspect). The pronator teres

and flexor carpi ulnaris muscles have been cut and reflected.

1 Biceps brachii muscle

2 Brachialis muscle

3 Brachioradialis muscle

4 Superficial branch of radial nerve

5 Deep branch of radial nerve

6 Tendon of biceps brachii muscle

7 Radial recurrent artery

8 Supinator muscle

9 Insertion of pronator teres muscle

10 Radial artery

11 Ulnar nerve

12 Medial intermuscular septum of arm and

superior ulnar collateral artery

13 Brachial artery

14 Median nerve

15 Medial epicondyle of humerus

16 Humeral head of pronator teres muscle

17 Ulnar artery

18 Ulnar head of pronator teres muscle

19 Ulnar recurrent artery

20 Anterior interosseous nerve

21 Common interosseous artery

22 Tendinous arch of flexor digitorum superficialis muscle

23 Anterior interosseous artery

24 Flexor digitorum superficialis muscle

25 Flexor digitorum profundus muscle

26 Flexor pollicis longus muscle

Cubital region, deepest layer (anterior aspect). The flexor

digitorum superficialis muscle and the ulnar head of the pronator

teres muscle have been cut and reflected.

419

15

16

17

18

19

20

21

22

23

24

25

26

27

15

17

24

5

7

8

11

14

2 1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1 Radial artery

2 Basilic vein

3 Pronator teres muscle

4 Flexor carpi radialis muscle

5 Ulnar artery

6 Palmaris longus muscle

7 Median nerve

8 Tendon of biceps brachii muscle

9 Flexor digitorum superficialis muscle

10 Ulnar nerve

11 Tendon of brachialis muscle

12 Flexor carpi ulnaris muscle

13 Flexor digitorum profundus muscle

14 Ulna

15 Median cubital vein

16 Cephalic antebrachii vein

17 Radial vein

18 Brachioradialis muscle

19 Superficial branch of radial nerve,

radial artery and vein

20 Extensor carpi radialis longus muscle

21 Extensor carpi radialis brevis muscle

22 Supinator muscle

23 Deep branch of radial nerve

24 Radius

25 Extensor digitorum muscle

26 Extensor carpi ulnaris muscle

27 Anconeus muscle

Muscles, nerves, and blood vessels of the forearm (axial section

distally of the elbow joint, cf. MRI scan).

Axial section of the forearm (distally of the elbow joint,

MRI scan; from Heuck et al., MRT-Atlas, 2009). For details see

schematic drawing above.

Cubital Region

420 Forearm and Hand: Posterior Region

1 Cephalic vein

2 Brachioradialis muscle

covered by its fascia

3 Posterior cutaneous nerve of

forearm (branch of radialis nerve)

4 Cephalic vein of forearm

5 Extensor pollicis longus and brevis

muscles covered by their fascia

6 Median cubital vein

7 Lateral cutaneous nerves of

forearm (branch of

musculocutaneous nerve)

8 Intermedian vein of forearm

9 Superficial branch of radial nerve

10 Dorsal digital branches of

radial nerve

11 Triceps brachii muscle

12 Dorsal venous network of hand

13 Olecranon

14 Humeroradial joint

15 Ulna

16 Extensor carpi ulnaris muscle

17 Biceps brachii muscle

18 Trochlea of humerus

19 Extensor digitorum muscle

20 Extensor carpi radialis muscle

21 Brachioradialis muscle

22 Supinator muscle

23 Deep branch of radial nerve

24 Abductor pollicis longus muscle

25 Extensor retinaculum

26 Ulnar nerve

Superficial veins and cutaneous nerves of

forearm and hand (posterior aspect).

Course of the nerves to forearm and

hand (posterior aspect).

Yellow = radial and ulnar nerves.

11

13

14

15

22

23

16

5

26

25

17

18

21

19

9

20

24

9