Brachial Plexus Innervations Flashcards
What are the innervations of the dorsal scapular nerve?
Levator scapulae, rhomboid minor, rhomboid major
What are the innervations of the suprascapular nerve?
Supraspinatus and Infraspinatus
What are the innervations of the subclavian nerve?
Subclavius
What are the innervations of the long thoracic nerve?
Serratus anterior
What are the innervations of the thoracodorsal nerve?
Latissimus dorsi
What are the innervations of the lateral pectoral nerve?
Pec major and pec minor
What are the innervations of the medial pectoral nerve?
Pec major and pec minor
What are the innervations of the upper subscapular nerve?
Subscapularis
What are the innervations of the lower subscapular nerve?
Teres major and Subscapularis
What are the innervations of the medial cutaneous forearm?
Sensory- skin on the medial side of forearm
What are the innervations of the medial cutaneous arm?
Skin on medial side of arm
What are the innervations of the axillary nerve?
Motor- deltoid, teres minor
Sensory- skin of superolateral arm
What are the innervations of the Musculocutaneous nerve?
Motor- coracobrachialis, bicep brachii, brachialis
Sensory- skin of lateral aspect of forearm
What are the branch offs of the radial nerve?
Deep branch
Posterior interosseus nerve
What are the innervations of the radial nerve?
Motor- Brachialis, brachioradialis, triceps brachii, anconeus, extensor carpi radialis longus
Sensory- skin of posterior and inferolateral arm, posterior forearm, and Dorsum of hand lateral to axial line of digit 4
What are the innervations of the deep branch nerve?
Extensor carpi radialis brevis, supinator, extensor digitorum, extensor digiti minimi, extensor carpi ulnaris
What are the innervations of the posterior interosseus nerve?
Extensor indicis, abductor pollicis longus, extensor pollicis longus, extensor pollicis brevis
What are the innervations of the median nerve?
Motor- Pronator teres, flexor carpi radialis, flexor digitorum superficialis, palmaris longus
Sensory- skin of palm up to radial aspect of digit 4
What is the branch off of the median nerve?
Anterior interosseus
What are the innervations of the anterior interosseus nerve?
Flexor pollicis longus, pronator quadratus, flexor digitorum profundus (2/3 digits)
What are the innervations of the ulnar nerve?
Motor- flexor carpi ulnaris, flexor digitorum profundus (4/5 digits)
Sensory- skin on palmar aspect of and Dorsum of hand
