The Upper Limb - Anatomy

Question 1

the ulna moves over the radius in pronation. true or false

Answer 1

false, the radius moves over the ulna

Question 2

innervation of the trapezius

Answer 2

CNXI

Question 3

innervation of rhomboid major and minor

Answer 3

dorsal scapular nerve

Question 4

innervation of serratus anterior

Answer 4

long thoracic

Question 5

innervation of dorsal levator scapulae

Answer 5

dorsal scapular nerve

Question 6

what muscles are part of the rotator cuff

Answer 6

teres minor, infraspinatus, supraspinatus, subscapularis

Question 7

action of the anterior compartment of the arm

Answer 7

flexes arm and forearm

Question 8

innervation of the anterior compartment of the arm

Answer 8

musculocutaneous nerve

Question 9

action of the posterior compartment of the arm

Answer 9

extends arm and forearm

Question 10

innervation of the posterior compartment of the arm

Answer 10

radial nerve

Question 11

action of the anterior compartment of the forearm

Answer 11

flexes wrist and digits, pronates/abduct/adducts wrist

Question 12

innervation of the anterior compartment of the forearm

Answer 12

median nerve

Question 13

action of the posterior compartment of the forearm

Answer 13

extends wrist and digits, supinate/abduct/adducts wrist

Question 14

innervation of the posterior compartment of the forearm

Answer 14

radial nerve

Question 15

innervation of the thenar eminence

Answer 15

median nerve

Question 16

innervation of the hypothenar eminence

Answer 16

ulnar nerve

Question 17

what does the brachial artery split into

Answer 17

radial and ulnar arteries

Question 18

which, of the radial and ulnar arteries, is more medial

Answer 18

ulnar

Question 19

what are the contents of the carpal tunnel

Answer 19

median nerve
flexor pollicus longus
4X flexor digitorum profundus
4X flexor digitorum superficialis

Question 20

what forms the carpal tunnel

Answer 20

flexor retinaculum and carpal ligaments