Innervates:

rhomboids, levator scapulae

From C5

Innervates:

Serratus anteriour

From C5-7

innervates:

supraspinatus and infraspinatus

From C5,C6

Innervates:

Subclavius

From C5-C6

Innervates:

Pectoralis major

From C5-7 (lateral cord)

Innervates: coracobrachialis, biceps brachii, brachiallis

From C5-7 lateral cord

Innervates:

5 intrinsic muscles in thenar half of palm and palmar skin

From: Lateral root (c6-7) and medial root (c8-t1)

Innervates: Pectoralis major and minor

From medial cord (C8-T1)

Innervates: skin of medial side of arm

From Medial cord (C8-T1)

Innervates:

 flexor carpi ulnaris, ulnar half of flexor digitorum profundus, most muscles of hand

Innervates:

Flexor carpi ulnaris and ulnar half of flexor digitorum profundus

intrinsic muscles of hand

skin of hand medial to axial line of digit 4

Innervates: subscapularis

Posterior cord C5

Subscapularis and teres major

Posterior cord C6

Latissimus dorsi

from posterior cord (c6-8)

Innervates:

teres minor, deltoid, skin above deltoid

From posterior cord (c5-8)

posterior of arm and forearm

and extensors of hand:

Posterior cutaneous nerve of arm
Inferior lateral cutaneous nerve of arm
Posterior cutaneous nerve of forearm
Triceps brachii
Anconeus
Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Supinator
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus
Extensor indicis

Waiter's tip hand, hangs by side in medial rotation

can occur during birth (Erb-Dunchenne palsy)

Causes paralysis of deltoid, biceps, brachialis, brachilradialis

Klumpke paralysis

 claw hand