Arm

Question 1

Biceps Brachii

Answer 1

O: (Short head) coracoid process
(Long head) supraglenoid tubercle
I: Radial tuberosity & anterbrachial fascia
A: Elbow flexion, forearm supination
N: Musculocutaneous n.

Question 2

Coracobrachialis

Answer 2

O: Coracoid process
I: Middle 1/3 of medial aspect of humerus
A: Adduction and flexion of humerus
N: Musculocutaneous

Question 3

Brachialis

Answer 3

O: Anterior aspect of distal 1/2 of humerus
I: Coronoid process & tuberosity of ulna
A: Elbow flexion
N: Musculocutaneous & radial n.

Question 4

Triceps Brachii

Answer 4

O: (Lateral) Posterior surface of humerus, superior to radial groove
(Medial) Posterior surface of humerus, inferior to radial groove
(Long) Infraglenoid tubercle
I: Olecranon
A: Elbow extension
N: Radial n.