Deep muscular nerves on the volar (anterior) surface of the left arm.

Translated by: Ronald A. Bergman, PhD and Adel K. Afifi, MD, MS
Peer Review Status: Internally Peer Reviewed

a) Head of humerus.
b) Coracoid process.
c) m. Deltoideus.
d) m. Pectoralis major.
e) m. Pectoralis minor.
f) m. Biceps brachii.
g) Short head of biceps brachii.
h) Long head of biceps brachii.
i) m. Coracobrachialis.
k) m. Brachialis.
l) m. Triceps, medial head.
m) m. Triceps, long head.
n) m. Brachioradialis (s. supinator longus).
o) m. Extensor carpi radialis longus.
p) m. Pronator teres.
q) m. Flexor carpi radialis.
r) m. Supinator (s. supinator brevis).
s) mm Flexor digitorum communis.
t) m. Flexor carpi ulnaris.
u) m. Flexor pollicis longus.
v) m. Abductor and flexor pollicis brevis.
w) m. Adductor pollicis.
x) m. Abductor digiti minimi.
y) Proper volar carpal ligament (s. transverse carpal ligament).
z) m. Flexor digiti minimi.

1. axillary artery.
2. brachial artery and vein.
3. ulnar artery and vein.
4. radial artery and vein.
5. superficial palmar arch.
6. brachial plexus (s. axillary arch).
7. median nerve (with 2 palmar digital rami for the first three digits and the ulnar volar nerve for the 4th finger).
8. ulnar nerve.
9. volar ulnar nerve (with 2 nn palmar digital for the 5th digit and the ulnar palmar digital nerve for the 4th finger).
10. radial nerve.
11. lateral interosseus nerve.
12. superficial radial nerve.
13. musculocutaneous nerve.

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