UE Muscles - Innervation Flashcards
Latissimus dorsi
innervation- thoracodorsal nerve
Levator scapulae (C4-5)
innervation- dorsal scapular nerve
Pectoralis major
innervation- medial & lateral pectoral nerves
Pectoralis minor
innervation- medial & lateral pectoral nerves
Rhomboids (C4-5)
innervation- dorsal scapular nerve
Serratus anterior (C5-7)
innervation- long thoracic nerve
Subclavius
innervation- nerve to subclavius
Trapezius
innervation- accessory nerve (motor innervation) & C3-5 (sensory)
Deltoid (C5-6)
innervation- axillary nerve
Subscapularis
innervation- upper & lower subscapular nerves
Supraspinatus
innervation- suprascapular nerve (C5,6)
Teres major
innervation- lower subscapular nerve
Infraspinatus (C5-6)
innervation- suprascapular nerve
Teres minor (C5-6)
innervation- axillary nerve
Biceps Brachii (C5, 6)
innervation- musculocutaneous nerve
Brachialis
innervation- musculocutaneous & radial nerves
Coracobrachialis
innervation- musculocutaneous nerve
Triceps (C7,8)
innervation- radial nerve
Abductor pollicis longus
innervation- radial nerve
Anconeus
innervation- radial n.
Brachioradialis
innervation- radial nerve
Extensor carpi radialis brevis
innervation- radial nerve
Extensor carpi radialis longus
innervation- radial nerve
Extensor carpi ulnaris
innervation- radial nerve
Extensor digitorum
innervation- radial nerve
Extensor digiti minimi
innervation- radial nerve
Extensor indicis
innervation- radial nerve
Extensor pollicis brevis
innervation- radial nerve
Extensor pollicis longus
innervation- radial nerve
Flexor carpi radialis
innervation- median nerve
Flexor carpi ulnaris
innervation- ulnar nerve
Flexor digitorum profundus
innervation- median (tendons 2 & 3) & ulnar (tendons 4 & 5) nerves
Flexor digitorum superficialis
innervation- median nerve
Flexor pollicis longus
innervation- median nerve
Palmaris longus
innervation- median nerve
Pronator quadratus
innervation- median nerve
Pronator teres
innervation- median nerve
Supinator
innervation- radial nerve
Abductor digit minimi (C8-T1)
innervation- deep branch of the ulnar nerve
Abductor pollicis brevis (C8-T1)
innervation- recurrent branch of the median nerve
Adductor pollicis (C8-T1)
innervation- deep branch of the ulnar nerve
Dorsal interossei (C8-T1)
innervation- deep branch of the ulnar nerve
Flexor digiti minimi brevis (C8-T1)
innervation- deep branch of the ulnar nerve
Flexor pollicis brevis (C8-T1)
innervation- recurrent branch of the median nerve & deep branch of ulnar n.
Lumbricals (C8-T1)
innervation- deep branch of the ulnar nerve (medial two lumbricals) and median nerve (lateral two lumbricals)
Opponens digiti minimi (C8-T1)
innervation- deep branch of the ulnar nerve
Opponens pollicis (C8-T1)
innervation- recurrent branch of the median nerve
Palmar interossei (C8-T1)
innervation- deep branch of the ulnar nerve