LG3.7 Anatomy of the Antebrachial Region – Dr. Robinson Flashcards Preview

NMSK A Test 2 > LG3.7 Anatomy of the Antebrachial Region – Dr. Robinson > Flashcards

Flashcards in LG3.7 Anatomy of the Antebrachial Region – Dr. Robinson Deck (15):
1

What separates the anterior and posterior compartments of the forearm?

Interosseous membrane

2

What are the 5 muscles of the anterior superficial forearm?

1) Flexor carpi radialis
2) Flexor carpi ulnaris
3) Palmaris longus
4) Pronator teres
5) Flexor digitorum superficialis

3

Where does the anterior superficial muscles of the forearm originate?

common flexor tendon

4

What are the 3 deep muscles of the anterior compartment of the forearm?

1) Flexor digitorum profundus
2) Flexor pollicis longus
3) Pronator quadratus

5

What innervates the posterior compartment of the forearm?

Radial nerve

6

What are the 7 superficial muscles of the posterior forearm

1) Extensor carpi radialis brevis
2) Extensor carpi radialis longus
3) Extensor carpi ulnaris
4) Extensor digitorum
5) Extensor digiti minimi
6) Anconeus
7) Brachioraiali

7

Where do most of the superficial muscles of the posterior forearm originate?

Common extensor tendon

8

What are the deep muscles of the posterior compartment of the forearm?

1) Supinator
2) Abductor pollicis longus
3) Extensor pollicis brevis
4) Extensor pollicis longus
5) Extensor indicis

9

What is the action of the supinator?

Supinates forearm

10

What is the action of the extensor indicis?

Extends 2nd digit, and helps extend wrist

11

What is the action of abductor pollicis longus?

Abducts the thumb extends it at carpometacarpal joint

12

What is the action of the extensor pollicis brevis/longus?

Extends proximal phalanx of thumb

13

What is the action of the brachioradialis?

Weak flexion of the forearm and maximal hen forearm is in mid pronated position

14

What is the action of the extensor carpi radialis longus and brevius?

Extend and abduct hand at wrist joint

15

What is the action of the extensor digitorum?

Extend four digits