Forearm 2

Question 1

Supinator origin and insertion

Answer 1

Lateral epicondyle, collateral ligaments, superior ulna crest
Proximal radius

Question 2

Supinator action

Answer 2

Supinate

Extend

Question 3

Supinator nerve

Answer 3

Deep br of radial n.

Question 4

Supinator blood

Answer 4

Radial recurrent

Question 5

Abductor pollicis longus origin and insertion

Answer 5

Ulna and radius and IM

Base of 1st

Question 6

Abductor pollicis longus action

Answer 6

Abduct and extend 1st
Radially deviate
Flex (weak)

Question 7

Abductor pollicis longus nerve

Answer 7

Posterior interosseous n.

Question 8

Abductor pollicis longus blood

Answer 8

Posterior interosseous a.

Question 9

Extensors pollicis longus origin and insertion

Answer 9

Ulna and IM

Base of distal thumb

Question 10

Extensors pollicis longus action

Answer 10

Extend distal and proximal

Extension (assist)

Question 11

Extensors pollicis longus nerve

Answer 11

Posterior interosseous n.

Question 12

Extensors pollicis longus blood

Answer 12

Posterior interosseous a.

Question 13

Extensor pollicis Brevis origin and insertion

Answer 13

Radius and IM

Base of proximal thumb

Question 14

Extensor pollicis Brevis action

Answer 14

Extend proximal phalanx
Extend 1st
Radial deviation and extension (assist)

Question 15

Extensor pollicis Brevis nerve

Answer 15

Posterior interosseous n.

Question 16

Extensor pollicis Brevis blood

Answer 16

Posterior interosseous a.

Question 17

Extensor indicis origin and insertion

Answer 17

Ulna and IM

Extensor expansion of 2nd

Question 18

Extensor indicis action

Answer 18

Extend all phalanges

Extend hand

Question 19

Extensor indicis nerve

Answer 19

Posterior interosseous n.

Question 20

Extensor indicis blood

Answer 20

Posterior interosseous a.