Nerve
Roots
Muscles
Cutaneous
dorsal scapular nerve
C5
rhomboid muscles and
-
long thoracic nerve
C5, C6, C7
levator scapulae
serratus anterior
-
nerve to the subclavius
C5, C6
subclavius muscle
-
suprascapular nerve
C5, C6
-
lateral pectoral nerve
C5, C6, C7
supraspinatus and
infraspinatus
pectoralis major (by
From
roots
roots
superior trunk
superior trunk
-
communicating with the
lateral cord
musculocutaneous nerve
C5, C6, C7
medial pectoral nerve)
coracobrachialis, brachialis
becomes the lateral
cutaneous nerve of the
lateral cord
lateral root of the median nerve
C5, C6, C7
and biceps brachii
fibres to the median nerve
forearm
-
upper subscapular nerve
C5, C6
subscapularis (upper part)
-
thoracodorsal nerve (middle subscapular nerve)
C6, C7, C8
latissimus dorsi
-
lower subscapular nerve
C5, C6
-
axillary nerve
C5, C6
subscapularis (lower part )
and teres major
anterior branch: deltoid and
lateral cord
posterior cord
posterior cord
posterior cord
a small area of overlying
skin, posterior branch: teres
posterior cord
radial nerve
minor and deltoid muscles
C5, C6, C7, C8, triceps brachii, supinator,
anconeus, the extensor
posterior cord
muscles of the forearm, and
cutaneous nerve of the
arm
-
medial pectoral nerve
T1
C8, T1
medial root of the median nerve
C8, T1
brachioradialis
pectoralis major and
pectoralis minor
fibres to the median nerve
medial cutaneous nerve of the arm
C8, T1
-
medial cutaneous nerve of the forearm
C8, T1
-
ulnar nerve
C8, T1
flexor carpi ulnaris, the
medial cord
skin of the posterior
arm as the posterior
medial cord
medial cord
medial cord
medial 2 bellies of flexor
portions of hand not
served by ulnar or
radial
front and medial skin of
the arm
medial skin of the
forearm
the skin of the medial
side of the hand and
medial one and a half
digitorum profundus, most of fingers on the palmar
the small muscles of the
medial cord
hand
side and medial two
and a half fingers on
the dorsal side