Terminal And Peripheral Nerves Of Brachial Plexus

Front 1

Musculocutaneous Nerve
1 Motor
2 Sensory
3 From

Back 1

1 anterior (flexor) arm (elbow flexors, power supinators)
2 skin of lateral forearm
3 lateral cord

Front 2

Median Nerve
1 Motor

Back 2

1- All forearm pronators, finger flexors, and wrist flexors (EXCEPT flexor carpi ulnaris and ulnar half of flexor digitorum profundis)
radial 2 lumbricals, thumb intrinsics (EXCEPT adductor pollicis, deep head of pollicis brevis)

Front 3

Median Nerve
2 Sensory
3 From

Back 3

2 skin of thumb side palm, palmar aspect of radial 3 1/2 digits, dorsal surface of terminal phalanges of radial 3 1/2 digits
3 Lateral and Medial Cord

Front 4

Ulnar Nerve
1 Motor

Back 4

1 Flexor Carpi ulnaris, ulnar half of flexor digitorum profundus, little finger intrinsics, ulnar two lumbricals,
adductor pollicis,
all interossei

Front 5

Ulnar Nerve
2 Sensory
3 From

Back 5

2 Skin of ulnar side of palm, dorsum of hand, palmar and dorsal aspect of ulnar 1 1/2 digits
3 Medial cord

Front 6

Radial Nerve
1 Motor
2 Sensory
3 From

Back 6

1 All posterior extensors of arm and forearm
2 Skin of posterior arm, forearm, lateral 2/3 hand including radial 3 1/2 digits distally to distal IP joint
3 Posterior cord

Front 7

Axillary Nerve
1 Motor
2 Sensory
3 From

Back 7

1 Deltoid, teres minor muscles
2 Skin over the insertion of the deltoid
3 Posterior cord

Front 8

Pectoral Nerves
1 Motor
2 Sensory
3 From

Back 8

1 Pectoralis major, medial pectoral nerve also innervates pectoralis minor
2 N/A
3 Lateral and medial cords

Front 9

Medial Brachial and Antebrachial Cutaneous
1 Motor
2 Sensory
3 From

Back 9

1 N/A
2 Skin of medial arm and forearm
3 Medial Cord

Front 10

Upper Subscapular Nerve
1 Motor
2 Sensory
3 From

Back 10

1 Upper part of subscapularis muscle
2 N/A
3 Posterior Cord

Front 11

Lower Subscapular Nerve
1 Motor
2 Sensory
3 From

Back 11

1 Lower part of subscapularis muscle, teres major
2 N/A
3 Posterior cord

Front 12

Thoracodorsal Nerve
1 Motor
2 Sensory
3 From

Back 12

1 Latissimus dorsi
2 N/A
3 Posterior Cord

Front 13

Suprascapular Nerve
1 Motor
2 Sensory
3 From

Back 13

1 supraspinatus and infraspinatus muscles
2 N/A
3 Superior Trunk

Front 14

Dorsal Scapular Nerve
1 Motor
2 Sensory
3 From

Back 14

1 Rhomboids (some levator scapulae)
2 N/A
3 C5

Front 15

Long Thoracic Nerve
1 Motor
2 Sensory
3 From

Back 15

1 Serratus Anterior
2 N/A
3 C5,6,7