CutaneousAnatomy
6
Plate400
CutaneousInnervationofUpperLimb
Anterior (palmar) view
Posterior (dorsal) view
Supraclavicular nerves
(from cervical
plexus
C3, 4)
Axillary nerve
Superior lateral
brachial cutaneous
nerve
(C5, 6)
Radial nerve
Inferior lateral
brachial cutaneous
nerve (C5, 6)
Lateral antebrachial
cutaneous nerve
(C5, 6 [7])
(terminal part of
musculocutaneous
nerve)
Axillary nerve
Superior lateral brachial
cutaneous nerve
(C5, 6)
Supraclavicular nerves
Medial, intermediate,
and lateral branches
(C3, 4)
Radial nerve
Posterior brachial cutaneous
nerve (C5–8)
Inferior lateral cutaneous
nerve
Posterior antebrachial
cutaneous nerve
(C[5], 6–8)
Lateral antebrachial cutaneous
nerve
(C5, 6 [7])
(terminal part of
musculocutaneous
nerve)
Radial nerve
Superficial branch
and dorsal digital
branches (C6–8)
Intercosto-
brachial
nerve (T2)
and medial
brachial
cutaneous
nerve
(T1)
Medial
antebrachial
cutaneous
nerve
(C8, T1)
Radial nerve
Superficial branch
(C6–8)
Median nerve
Palmar branch
and
Palmar
digital branches
(C6–8)
Ulnar nerve (C8, T1)
Palmar
branch
Palmar
digital
branches
Dorsal branch
and dorsal
digital branches
Palmar
digital
branches
Median nerve
Palmar
digital branches
Note: Division variable between ulnar and radial
innervation on dorsum of hand and often aligns with
middle of 4th digit instead of 3rd digit as shown.
See±also±
Plates 459, 461, 463
±
