Forearm (posterior)

Question 1

List the posterior superficial muscles of the forearm

Answer 1

Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris (CARPALS)
Extensor digitorum (DIGITS)
Extensor digiti minimi (PINKY)
Anconeus

Question 2

Which movements does brachioradialis enable?

Answer 2

Elbow: flexion
Forearm: supination
DRINKING FROM CUP

Question 3

Which movements does extensor carpi radialis longus enable?

Answer 3

Wrist: extension, abduction

Question 4

Which movements does extensor carpi radialis brevis enable?

Answer 4

Wrist: extension, abduction

Question 5

Which movements does extensor digiti minimi enable?

Answer 5

Wrist: extension

Little finger: extension

Question 6

Which movements does extensor carpi ulnaris enable?

Answer 6

Wrist: extension, adduction

Question 7

List the posterior deep muscles of the forearm

Answer 7

Supinator
Extensor indicis (INDEX FINGER)
Extensor pollicis longus (THUMB)
Extensor pollicis brevis (THUMB)
Abductor pollicis longus (THUMB)

Question 8

Which movements does supinator enable?

Answer 8

Forearm: supination

Question 9

Which movements does extensor indicis enable?

Answer 9

Wrist: extension

Index finger: extension

Question 10

Which movements does extensor pollicis longus enable?

Answer 10

Thumb: extension

Question 11

Which movements does extensor pollicis brevis enable?

Answer 11

Thumb: extension

Question 12

Which movements does abductor pollicis longus enable?

Answer 12

Thumb: extension, abduction

Question 13

What is the main nerve supply to the posterior compartment of the forearm?

Answer 13

Radial nerve

Question 14

The tendons of the posterior forearm are held in place by…

Answer 14

Extensor retinaculum

Question 15

Which movements does extensor digitorium enable>

Answer 15

Finger: extension