lab 7 peripheral nerves of the UE

Question 1

Spinal accessory nerve- muscles innervated

Answer 1

trapezius (CN XI, C3 and C4 sensory component)

Question 2

Cranial spinal nerves

Answer 2

trapezius (C3,C4) and Levator scapulae (C3, C4)

Question 3

dorsal scapular nerve

Answer 3

levator scapulae (C5), rhomboid major (C5), rhomboid minor (C5)

Question 4

long thoracic nerve

Answer 4

serratus anterior (C5, 6, 7)

Question 5

medial pectoral nerve

Answer 5

pectoralis major (C8, T1), pectoralis minor (C5-C8, T1)

Question 6

axillary nerve

Answer 6

deltoid (C5,6), teres minor (C5,6)

Question 7

suprascapular nerve

Answer 7

supraspinatus (C5,6) infrasinatus (C5,6)

Question 8

lateral pectoral nerve

Answer 8

pectoralis major (C5-8, T1)

Question 9

thoracodorsal nerve

Answer 9

latissimus dorsi (C6-C8)

Question 10

subscapular nerve

Answer 10

teres major (C5, C6), subscapularis (C5, C6)

Question 11

musculocutaneous nerves

Answer 11

coracobrachialis (C6,C7), brachialis (C5, C6), biceps brachii (C5, C6)

Question 12

radial nerve (12 muscles)

Answer 12

brachioradialis (C5,6), triceps brachii (C7,8), Supinator (C6), extensor carpi radialis longus (C6,7) extensor carpi radialis brevis (C6,7), extensor carpi ulnaris (C6-8), extensor digitorum (C6-8), extensor indicis (C6-8) extensor digiti minimi (C6-8), abductor pollicis longus, extensor pollicis brevis (C6,7), extensor pollicis brevis (C6,7)

Question 13

median nerve (11 nerves)

Answer 13

pronator teres (C6,7), pronator quadratus (C8,T1), flexor carpi radialis (C6,7), palmaris longus (C6,7), flexor digitorum superficialis (C7-T1), flexor digitorum profundus (C8,T1), flexor pollicis longus (C8, T1), Flexor pollicis brevis (C6,7), abductor pollicis brevis (C6, 7), opponens pollicis (C6,7), first and second lumbricales

Question 14

ulnar nerve (8 nerves)

Answer 14

flexor carpi ulnaris (C8,T1), flexor digitorum profundus (C8,T1), abbductor pollocis (C8, T1), flexor digiti minimi (C8, T1), abductor digiti (C8,T1), opponens digiti minimi (C8,T1), interosseous muscles (C8, T1), third and fourth lumbricales (C8, T1)