Mostly Elbow Muscle O I A N

Question 1

Brachialis

Answer 1

O: Distal half of anterior humerus
I: Tuberosity and coronoid process of ulna
A: Elbow Flexion
N: Musculocutaneous

Question 2

Brachioradialis

Answer 2

O: Lateral supracondylar ridge of humerus
I: Styloid process of ulna
A: Elbow flexion, assist pronation/supination
N: Radial

Question 3

Anconeus

Answer 3

O: Lateral epicondyle of humerus
I: Olecranon process and lateral ridge of ulnar shaft
A: Elbow extension
N: Radial

Question 4

Pronator Teres

Answer 4

O: Medial epicondyle of humerus, common flexor tendon and coronoid process of ulna
I: Middle lateral surface of radius
A: Pronation, assist elbow flexion
N: Median

Question 5

Pronator Quadratus

Answer 5

O: Medial, anterior surface of distal ulna
I: Lateral, anterior surface of distal radius
A: Pronation
N: Median

Question 6

Supinator

Answer 6

O: Radial collateral ligament, annular ligament, supinator crest of the ulna
I: Lateral surface of proximal shaft of radius
A: Supination
N: Radial

Question 7

Short N Sweet: Elbow Flexion

Answer 7

• Biceps Brachii
• Brachialis
• Brachioradialis

Question 8

Short N Sweet: Elbow Extension

Answer 8

• Triceps Brachii

- Anconeus

Question 9

Short N Sweet: Elbow Supination

Answer 9

• Biceps Brachii

- Supinator

Question 10

Short N Sweet: Elbow Pronation

Answer 10

• Pronator Teres

- Pronator Quadratus