Ch 11- Elbow joint

Question 1

Brachialis

Answer 1

O- distal mid humerus
I- coronoid process of ulna and ulnar tuberosity
A- elbow flexion
N- musculocutaneous

Question 2

Biceps Brachii (long head)

Answer 2

O- supraglenoid tubercle
I- radial tuberosity
A- elbow flexion/supination
N- musculocutaneous

Question 3

Biceps Brachii (short head)

Answer 3

O- corocoid process
I- radial tuberosity
A- elbow flexion/supination
N- musculocutaneous

Question 4

Brachioradialis

Answer 4

O- lateral supracondylar ridge
I- styloid process of radius
A- elbow flexion
N- radial

Question 5

Triceps (long head)

Answer 5

O- infraglenoid tubercle of scapula
I- Olecranon fossa
A- elbow extension
N- Radial

Question 6

Triceps (medial head)

Answer 6

O- posterior mid humerus
I- Olecranon fossa
A- elbow extension
N- Radial

Question 7

Triceps (lateral head)

Answer 7

O- inferior to greater tubercle
I- Olecranon fossa
A- elbow extension
N- Radial

Question 8

Anconeus

Answer 8

O- lateral epicondyle
I- lateral inferior olecranon process
A- elbow extension
N- Radial

Question 9

Pronator teres

Answer 9

O- medial epicondyle
I- lateral aspect of radius
A- pronation, elbow flexion
N- median

Question 10

Pronator quadratus

Answer 10

O- distal 1/4 ulna
I- distal 1/4 radius
A- pronation
N- median

Question 11

Supinator

Answer 11

O- lateral epicondyle
I- anterior/proximal radius
A- supination
N- radial