Anterior Arm Compartment

Question 1

3 common characteristics

Answer 1

1) Flexion of arm and forearm
2) Supination of forearm
3) Musculocutaneous nerve

Question 2

Biceps brachii - O & I

Answer 2

O: Short head - coracoid process of scapula
Long head - supraglenoid tubercle of scapula
I: Radial tuberosity and bicipital aponeurosis

Question 3

Biceps brachii - F & N

Answer 3

F: 1) Flex. of forearm @ elbow J
2) Flex. of arm @ shoulder J
3) supination of forearm @ radioulnar Js
4) horizontal add. of arm @ shoulder J
N: Musculocutaneous

Question 4

Coracobrachialis - O & I

Answer 4

O: Coracoid process of scapula
I: Middle of medial shaft of humerus

Question 5

Coracobrachialis - F & N

Answer 5

F: 1) Flex. of arm @ shoulder J
2) Horizontal Add. of arm @ shoulder J
N: Musculocutaneous

Question 6

Brachialis - O & I

Answer 6

O: Distal anterior surface of humerus
I: ulnar tuberosity; coronoid process

Question 7

Brachialis - F & N

Answer 7

F: 1) Flex. Of forearm @ elbow J
N: Musculocutaneous