Forearm

Question 1

Name the Origin, Insertion, Action, and Innervation of the: Supinator

Answer 1

O: Lateral epicondyle of the humerus and supinator crest of the ulna
I: Lateral surface of the proximal radius
N: Radial Nerve
A: Forearm supination

Question 2

Name the Origin, Insertion, Action, and Innervation of the: Pronator teres

Answer 2

O: Humeral head- medial epicondyle of the humerus, Ulnar head- just medial to the tuberosity of the ulna
I: Lateral surface of the mid radius
N: Median Nerve
A: Forearm pronation

Question 3

Name the Origin, Insertion, Action, and Innervation of the: Pronator quadratus

Answer 3

O: Anterior surface of the distal ulna
I: Anterior surface of the distal radius
N: Median Nerve
A: Forearm pronation

Question 4

What are the primary forearm Supinators?

Answer 4

Biceps

Supinator

Question 5

What are the secondary forearm Supinators?

Answer 5

Extensor pollicis longus

Extensor indicis

Question 6

What are the primary forearm Pronators?

Answer 6

Pronator teres

Pronator quadratus

Question 7

What are the secondary forearm Pronators?

Answer 7

Flexor carpi radialis

palmaris longus