Superficial Anterior Forearm Muscles

Question 1

What does radialis in the name mean?

Answer 1

Abduction of the wrist

Question 2

What does ulnaris in the name mean?

Answer 2

Adduction of the wrist

Question 3

What is another name for the thumb?

Answer 3

Pollicis

Question 4

What are the major actions of the muscles of the anterior forearm compartment?

Answer 4

Pronators of the forearm and flexors of the wrist and digits.

Question 5

What is common to all but 1 ½ of the muscles of the anterior forearm compartment?

Answer 5

The median n. innervates them (others = ulnar nerve)

Question 6

From where do all of the superficial anterior forearm muscles originate?

Answer 6

The medial epicondyle of the humerus

Question 7

What are the five muscles of the anterior forearm compartment?

Answer 7

Pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris, flexor digitorum superficialis mm.

Question 8

A- Pronator teres m.

Answer 8

pronation of the forearm

Question 9

Inn- Pronator teres m.

Answer 9

Median nerve

Question 10

A- Flexor carpi radialis m.

Answer 10

Flexion and abduction of the wrist

Question 11

Inn- Flexor carpi radialis m.

Answer 11

Median nerve

Question 12

A- Flexor carpi ulnaris m.

Answer 12

Flexion, adduction of the wrist

Question 13

Inn- Flexor carpi ulnaris m.

Answer 13

Ulnar nerve

Question 14

A- Palmaris longus m.

Answer 14

Flexion of the wrist

Question 15

Inn- Palmaris longus m.

Answer 15

Median nerve

Question 16

A- Flexor digitorum superficialis m.

Answer 16

Flexion of the wrist, flexion of digits 2-5

Question 17

Inn- Flexor digitorum superficialis m.

Answer 17

Median nerve

Question 18

Where is the flexor digitorum superficialis?

Answer 18

Deep to the other four muscles of the anterior forearm compartment but superficial to the flexor digitorum profundus m.