Forearm & Wrist: Posterior Superficial

Question 1

brachioradialis (origin)

Answer 1

lateral surpracondylar ridge of humerus

Question 2

brachioradialis (insertion)

Answer 2

lateral surface of distal end of radius

Question 3

brachioradialis (action)

Answer 3

flexion of forearm

Question 4

brachioradialis (nerve)

Answer 4

radial nerve

Question 5

brachioradialis (blood)

Answer 5

radial recurrent artery

Question 6

extensor carpi radialis longus (origin)

Answer 6

lateral supracondylar ridge and epicondyle of humerus
COMMON EXTENSOR TENDON

Question 7

extensor carpi radialis longus (insertion)

Answer 7

base of the 2nd metacarpal on dorsal surface

Question 8

extensor carpi radialis longus (action)

Answer 8

extension and radial deviation of hand

Question 9

extensor carpi radialis longus (nerve)

Answer 9

radial nerve

Question 10

extensor carpi radialis longus (blood)

Answer 10

radial and radial reccurent arteries

Question 11

extensor carpi radialis brevis (origin)

Answer 11

common extensor tendon

Question 12

extensor carpi radialis brevis (insertion)

Answer 12

base of the 3rd metacarpal

Question 13

extensor carpi radialis brevis (action)

Answer 13

extension
radial deviation of hand

Question 14

extensor carpi radialis brevis (nerve)

Answer 14

radial nerve

Question 15

extensor carpi radialis brevis (blood)

Answer 15

radial and radial recurrent arteries

Question 16

extensor digitorum communis (origin)

Answer 16

common extensor tendon

Question 17

extensor digitorum communis (insertion)

Answer 17

middle and distal phalanges of each 4 fingers
(medial 4 digits)

Question 18

extensor digitorum communis (action)

Answer 18

extension of medial 4 digits

Question 19

extensor digitorum communis (nerve)

Answer 19

radial nerve

Question 20

extensor digitorum communis (blood)

Answer 20

posterior interosseous artery

Question 21

extensor digiti minimi (origin)

Answer 21

common extensor tendon

Question 22

extensor digiti minimi (insertion)

Answer 22

middle and distal phalanges of little finger (pinky)

Question 23

extensor digiti minimi (action)

Answer 23

extension of pinky

Question 24

extensor digiti minimi (nerve)

Answer 24

radial nerve

Question 25

extensor digiti minimi (blood)

Answer 25

posterior interosseous artery

Question 26

extensor carpi ulnaris (origin)

Answer 26

common extensor tendon

Question 27

extensor carpi ulnaris (insertion)

Answer 27

base of 5th metacarpal

Question 28

extensor carpi ulnaris (action)

Answer 28

extension of and ulnar deviation of wrist

Question 29

extensor carpi ulnaris (nerve)

Answer 29

radial nerve

Question 30

extensor carpi ulnaris (blood)

Answer 30

posterior interosseous artery