Nerve Innervation - Upper Extremity

Flexor Pollicis Longus Pronator Quadratus

N: Anterior Interosseus branch of Median nerve (C8-T1)

Teres Minor

N: Axillary Nerve (C5-C6)

Anterior, Middle, & Posterior Deltoid

N: Axillary nerve (C5-C6)

Levator Scapulae

N: Dorsal Scapular Nerve (C5), Ventral Rami (C3-C5)

Rhomboid Minor Rhomboid Major

N: Dorsal Scapular nerve (C4-C5)

Serratus Anterior

N: Long thoracic nerve (C5-C7)

Teres Major

N: Lower subscapular nerve (C6-C7)

Pectoralis Major

N: Medial and lateral pectoral nerves (C5-T1)

Pectoralis Minor

N: Medial and lateral pectoral nerves (C6-C8)

Pronator Teres Flexor Carpi Radialis

N: Median nerve (C6-C7)

Palmaris Longus

N: Median nerve (C7-C8)

Flexor Digitorum Superficialis

N: Median nerve (C7-T1)

Flexor Digitorum Profundus

N: Median nerve; digits 2 & 3 (C7-T1), Ulnar nerve: digits 4 & 5 (C8-T1)

Coracobrachialis

N: Musculocutaneous nerve (C5-C7)

Subclavius

N: Nerve to subclavius (C5-C6)

Extensor Carpi Radialis Brevis Extensor Digitorum Extensor Digiti Minimi Extensor Carpi Ulnaris Abductor Pollicis Longus Extensor Pollicis Brevis Extensor Pollicis Longus Extensor Indicis

N: Posterior Interosseus branch of the Radial nerve (C7-C8)

Supinator

N: Posterior Interosseus branch of the radial nerve (C5-C6)

Brachioradialis

N: Radial nerve (C5-C6)

Extensor Carpi Radialis Longus

N: Radial nerve (C6-C7)

Triceps Brachii

N: Radial nerve (C6-C8)

Anconeus

N: Radial nerve (C7-C8)

Upper, Middle, & Lower Trapezius

N: Spinal accessory nerve XI, Ventral Rami (C3-C4)

Infraspinatus

N: Suprascapular Nerve (C5-C6)

Supraspinatus

N: Suprascapular nerve (C4-C6)

Latissimus Dorsi

N: Thoracodorsal Nerve (C6-C8)

Flexor Carpi Ulnaris

N: Ulnar nerve (C7-C8)

Biceps Brachii Brachialis

N: musculocutaneous nerve (C5-C6)

Subscapularis

N: upper and lower subscapular nerves (C5-C7)