Arm

Question 1

Biceps brachii (short head)

Answer 1

O: coracoid process of scapula

I: Tuberosity of Radius & Bicipital Aponeurosis into deep fascia of forearm

N: musculocutaneous n.

A: flex elbow, supinate forearm, & weak flexor of shoulder

Question 2

Coracobrachialis

Answer 2

O: coracoid process of tubercle

I: middle aspect of shaft of humerus

N: musculocutaneous n.

A: flex elbow and weak adductor

Question 3

Brachialis

Answer 3

O: front of lower half of shaft of humerus

I: coronoid process of ulna

N: musculocutaneous n.

A: flex elbow

Question 4

Triceps (long head)

Answer 4

O: infraglenoid tubercle of scapula

I: olecranon process of ulna

N: radial n.

A: extend elbow

Question 5

Triceps (lateral head)

Answer 5

O: upper half of posterior surface of shaft of humerus

I: olecranon process of ulna

N: radial n.

A: extend elbow

Question 6

Triceps (medial head)

Answer 6

O: lower half of posterior surface of shaft of humerus

I: olecranon process of ulna

N: radial n.

A: extend elbow

Question 7

Biceps Brachii (Long Head)

Answer 7

O:Supraglenoid Tubercle of Scapula

I: Tuberosity of Radius & Bicipital Aponeurosis into deep fascia of forearm

N: musculocutaneous n.

A: flex elbow, supinate forearm, & weak flexor of shoulder