EXSC 311 UE Innervation

Dorsal scapular n.

Rhomboids, levator scapula

Long thoracic n.

Serratus anterior

Suprascapular n

Supraspinatus, Infraspinatus

Nerve to Subclavius m

Subclavius

Lateral Pectoral n.

Pectoralis Major, Pectoralis Minor

Musculocutaneous n.

Coracobrachialis, Biceps Brachii and medial portion of Brachialis; Continues to forearm as Lateral Antebrachial Cutaneous n.

Medial Pectoral n

Pectoralis Minor and Pectoralis Major

Medial Brachial Cutaneous n. (T1)

Skin on medial side of arm

Medial Antebrachial Cutaneous n. (C8-T1)

Skin on medial side of forearm

Ulnar n.

Forearm: FCU, medial portion of FDP
Hand: skin of palmar and dorsal aspects of medial 1/3 of hand; Hypothenar muscles, medial 2 lumbricals (3 &4), All interossei (PI, DI), Adductor Pollicis, Deep head of FPB

Median n.

Forearm: All anterior muscles of the forearm except FCU and medial portion of FDP
Hand: FPB (superf. head), AbPB, OP, lateral 2 lumbricals (1&2), skin of the lateral side of palm, palmar side of lateral 3 ½ fingers, dorsal side of 2nd, 3rd and ½ of 4th finger

Upper Subscapular n.

upper portion of Subscapularis

Thoracodorsal n.

Latissimus Dorsi

Lower Subscapular n.

lower portion of Subscapularis and Teres Major

Axillary n.

Deltoid and Teres Minor

Radial n.

Triceps Brachii, lateral portion of Brachialis, Brachioradialis, ECRL

Deep radial

Supinator, ECRB, ED, EDM, ECU

Posterior Interosseus n.

EI, AbdPL, EPL, EPB

Superficial branch of radial n.

cutaneous lateral dorsal aspect of the hand and proximal dorsal aspect of the lateral 3 ½ digits