Lab 4

Question 1

what does the dorsal scapular (C5) innervate?

Answer 1

rhomboid major/minor and levator scapulae

Question 2

what does the long thoracic (C5,C6,C7) innervate?

Answer 2

serratus ant

Question 3

what does the phrenic(C5) innervate?

Answer 3

diaphragm

Question 4

what does the suprascapular (C5,C6) innervate?

Answer 4

supraspinatus and infraspinatus

Question 5

what does the upper scapular (C5,C6) innervate?

Answer 5

subscapularis

Question 6

what does the lower scapular (C5, C6) innervate?

Answer 6

subscapularis and teres major

Question 7

what does the thoracodorsal (C6, C7, C8) innervate?

Answer 7

latissimus dorsi

Question 8

what does the lateral pectoral (C5, C6, C7) innervate?

Answer 8

pectoralis major

Question 9

what does the subclavius (C5, C6) innervate?

Answer 9

subclavius m

Question 10

what does the musculocutaneous (C5, C6, C7) innervate?

Answer 10

flexors of ant. aspect of arm

Question 11

what does the lateral antebrachial cutaneous (continuation of musculocutaneous) innervate?

Answer 11

skin over lateral aspect of forearm

Question 12

what does the axillary (C5, C6) innervate?

Answer 12

deltoid and teres major

Question 13

what does the radial (C5, C6, C7, C8, T1) innervate?

Answer 13

post arm muscles

Question 14

what does the median (C5, C6, C7, C8, T1) innervate?

Answer 14

flexors in forearm (EXCEPT: flexor carpi ulnaris)

Question 15

what does the ulnar (C7, C8, T1) innervate?

Answer 15

flexors on ulnar side of forearm and hand

Question 16

what does the median pectoral (C8, T1) innervate?

Answer 16

pectoralis major and minor

Question 17

what does the medial brachial cutaneous (T1) innervate?

Answer 17

skin over medial surface of arm and proximal forearm

Question 18

what does the medial antebrachial cutaneous (T1) innervate?

Answer 18

the skin over the medial surface of the forearm