UQ Muscle Innervations

Upper trapezius

Spinal accessory nerve (CN XI)

Middle trapezius

Spinal accessory nerve (CN XI)

Lower trapezius

Spinal accessory nerve (CN XI)

Levator scapulae

Dorsal scapular nerve

Rhomboid major

Dorsal scapular nerve

Rhomboid minor

Dorsal scapular nerve

Serratus anterior

Long thoracic nerve

Pectoralis minor

Medial pectoral nerve

Subclavius

Nerve to subclavius

Deltoid

Axillary nerve

Supraspinatus

Suprascapular nerve

Infraspinatus

Suprascapular nerve

Teres minor

Axillary nerve

Subscapularis

Upper & lower subscapular nerves

Teres major

Lower subscapular nerve

Pectoralis major

Medial & lateral pectoral nerves

Latissimus dorsi

Thoracodorsal nerve

Coracobrachialis

Musculocutaneous nerve

Biceps brachii

Musculocutaneous nerve

Brachialis

Musculocutaneous nerve (± radial contribution)

Brachioradialis

Radial nerve (functionally flexor, innervation extensor)

Triceps brachii

Radial nerve

Anconeus

Radial nerve

Pronator teres

Median nerve

Flexor carpi radialis

Median nerve

Palmaris longus

Median nerve

Flexor carpi ulnaris

Ulnar nerve

Flexor digitorum superficialis

Median nerve

Flexor digitorum profundus (digits 2-3)

Anterior interosseous nerve (median)

Flexor digitorum profundus (digits 4-5)

Ulnar nerve

Flexor pollicis longus

Anterior interosseous nerve

Pronator quadratus

Anterior interosseous nerve

Extensor carpi radialis longus

Radial nerve

Extensor carpi radialis brevis

Deep branch of radial nerve

Extensor digitorum

Posterior interosseous nerve

Extensor digiti minimi

Posterior interosseous nerve

Extensor carpi ulnaris

Posterior interosseous nerve

Supinator

Deep branch of radial nerve

Abductor pollicis longus

Posterior interosseous nerve

Extensor pollicis brevis

Posterior interosseous nerve

Extensor pollicis longus

Posterior interosseous nerve

Extensor indicis

Posterior interosseous nerve

Abductor pollicis brevis

Recurrent branch of median nerve

Flexor pollicis brevis

Median nerve (deep head = ulnar nerve)

Opponens pollicis

Recurrent branch of median nerve

Abductor digiti minimi

Ulnar nerve

Flexor digiti minimi

Ulnar nerve

Opponens digiti minimi

Ulnar nerve

Lumbricals 1-2

Median nerve

Lumbricals 3-4

Ulnar nerve

Dorsal interossei

Ulnar nerve

Palmar interossei

Ulnar nerve

Adductor pollicis

Ulnar nerve

Palmaris brevis

Ulnar nerve