Exam #6_Lab: Posterior Compartment Forearm

Question 1

What are the muscles of the superficial group of the posterior compartment of the forearm?

Answer 1

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

Question 2

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

Answer 2

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

Question 3

What extensor muscles of the posterior compartment originate from the lateral epicondyle of the humerus?

Answer 3

1) Extensor carpi radialis brevis
2) Extensor digitorum
3) Extensor digiti minimi
4) Extensor carpi ulnaris

Question 4

Where is the anconeus muscle?

Answer 4

Posterior elbow–lateral epicondyle to olecranon

Question 5

Where do the posterior interosseous nerve & artery emerge in the posterior compartment?

Answer 5

Belly of the supinator muscle

Question 6

What muscle is immediately distal to the supinator?

Answer 6

Abductor pollicis longus

Question 7

What are the two extensor muscles of the thumb?

Answer 7

Extensor pollicis brevis

Extensor pollicis longus

Question 8

Where is the extensor indicis?

Answer 8

Immediately medial to the extensor pollicis longus