Muscle Innervation

Question 1

Posterior Rami

Answer 1

splenius capitis, splenius cervicis, erector spinae group, transversospinalis group

Question 2

suboccipital nerve

Answer 2

rectus capitis posterior major, rectus capitis posterior minor, obliquus capitis superior, opliquus capitis inferior

Question 3

Spinal accessory nerve

Answer 3

trapezius

Question 4

Thoracodorsal nerve

Answer 4

latissimus dorsi

Question 5

dorsal scapular nerve

Answer 5

levator scapulae, rhomboids

Question 6

cervical anterior rami (C3-C4)

Answer 6

levator scapulae, trapezius

Question 7

lateral pectoral nerve

Answer 7

clavicular head of pectoralis major

Question 8

medial pectoral nerve

Answer 8

sternocostal head of pectoralis major, pectoralis minor

Question 9

long thoracic nerve

Answer 9

serratus anterior

Question 10

nerve to subclavius

Answer 10

subclavius

Question 11

axillary nerve

Answer 11

deltoid, teres minor

Question 12

lower subscapular nerve

Answer 12

teres major, subscapularis

Question 13

suprascapular nerve

Answer 13

supraspinatus, infraspinatus

Question 14

upper subscapular nerve

Answer 14

subscapularis

Question 15

musculocutaneous nerve

Answer 15

biceps brachii, coracobrachialis, brachialis

Question 16

median nerve

Answer 16

pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum superficialis, flexor pollicis longus

Question 17

ulnar nerve

Answer 17

flexor carpi ulnaris

Question 18

1/2 median, 1/2 ulnar

Answer 18

flexor digitorum profundus