Muscles of the Posterior Forearm (deep) muscle table

Question 1

origin of all deep muscles in the posterior forearm?

Answer 1

Radius, Ulna, and Interosseous Membrane

Question 2

Supinator insertion

Answer 2

Radius

Question 3

Supinator innervation

Answer 3

Deep Radial N.

Question 4

Supinator action

Answer 4

Supination

Question 5

Abductor Pollicis Longus insertion

Answer 5

Base of 1st metacarpal

Question 6

Abductor Pollicis Longus innervation

Answer 6

Posterior interosseous N.

Question 7

Abductor Pollicis Longus action

Answer 7

Abduction of the Thumb

Question 8

Extensor Pollicis brevis insertion

Answer 8

Base of the Proximal Phalanx of the thumb

Question 9

Extensor Pollicis brevis innervation

Answer 9

Posterior Interosseous n.

Question 10

Extensor Pollicis brevis action

Answer 10

extension of the thumb

Question 11

Extensor Pollicis Longus insertion

Answer 11

Base of the Distal Phalanx of the Thumb

Question 12

Extensor Pollicis Longus innervation

Answer 12

Posterior Interosseous N.

Question 13

Extensor Pollicis Longus action

Answer 13

extension of the thumb

Question 14

Extensor Indicis insertion

Answer 14

Extensor Expansion of Digit 2

Question 15

Extensor Indicis innervation

Answer 15

Posterior Interosseous N.

Question 16

Extensor Indicis action

Answer 16

Extension of the MP joint of Digit 2