Anterior Compartment Muscles

Question 1

2 heads origin
O: long-supraglenoid tubercle of scapula
Short- tip of coracoid process of scapula

I: radial tuberosity, bicipital aponeurosis

A: flexor of forearm, supinates forearm

Fd: distal

Answer 1

Biceps brachii

Question 2

Inferior,deeper to biceps

O: distal 1/2 of humerus,ant-lat surface

I: ulnar tuberosity, coranoid process of ulna

A: flex forearm,synergist to biceps

Fd: distal

Answer 2

Brachialis

Question 3

O: coracoid process of scapula

I: medial process of middle 1/2 of humerus

A: adducts humerus

Fd: distal

Answer 3

Coracobrachialis