Anterior Forearm

Question 1

What is the action of Flexor carpi ulnaris?

Answer 1

Flexion and adduction at the wrist.

Question 2

What is the action of Flexor carpi radialis?

Answer 2

Flexion and abduction at the wrist

Question 3

What is the action of palmaris longus?

Answer 3

Flexion at the wrist

Question 4

What is the action of pronator teres?

Answer 4

Pronation of the forearm

Question 5

What is the action of flexor digitorum superficialis?

Answer 5

Flexes the metacarpophalangeal joints and proximal interphalangeal joints at the 4 fingers, and flexes at the wrist

Question 6

What is the action of flexor digitorum profundus?

Answer 6

The medial half (acts on the little and ring fingers) is innervated by the ulnar nerve. The lateral half (acts on the middle and index fingers) is innervated by the anterior interosseous branch of the median nerve.

only muscle that can flex distal interphalangeal joints. also flexes at wrist and metacarpophalangeal joints.

Question 7

What is the action of flexor pollicis longus?

Answer 7

Flexes the interphalangeal joint and metacarpophalangeal joint of the thumb

Question 8

What is the action of pronator quadratus?

Answer 8

Pronates the forearm.