What Innervates What?

Question 1

Long thoracic nerve

Answer 1

C5-T1- serratus anterior

Question 2

Dorsal scapular nerve

Answer 2

C5- rhomboids and levator scapulae

Question 3

Suprascapular nerve

Answer 3

C5, C6- supraspinatus, infraspinatus, glenohumeral joint

Question 4

Subclavian nerve

Answer 4

C5, C6- subclavius and sternoclavicular joint

Question 5

Lateral pectoral nerve

Answer 5

C5-C7- pec major

Question 6

Upper subscapular nerve

Answer 6

C5- superior part of subscapularis

Question 7

Lower subscapular nerve

Answer 7

C6- inferior part of subscapularis and teres major

Question 8

Thoracodorsal nerve

Answer 8

C6-C8- latissimus dorsi

Question 9

Medial pectoral nerve

Answer 9

C8-T1- pec major and pec minor

Question 10

Medial cutaneous nerve of arm

Answer 10

C8-T1- medial skin of arm (upper arm)

Question 11

Medial cutaneous nerve of forearm

Answer 11

C8-T1- medial skin of forearm

Question 12

Musculocutaneous nerve

Answer 12

C5-C7- biceps brachii, brachialis, coracobrachialis

Question 13

Axillary nerve

Answer 13

C5, C6- deltoid and teres minor

Question 14

Median nerve

Answer 14

C6-T1- anterior forearm (except FCU), lateral half of FDP, lateral 2 lumbricals, thenars

Question 15

Radial nerve

Answer 15

C5-T1- posterior arm, forearm, and dorsum of hand

Question 16

Ulnar nerve

Answer 16

C8-T1- FCU, medial half of FDP, interossei, hypothenars, adductor pollicis