Muscular System

1. Muscles of
Chest
Muscles of
Arm

2. •Anterior compartment
• Biceps brachi
• Long head from supraglenoid tubercle and
short head from Coracoid process of scap
ula
• Radial tuberosity via bicipital aponurorosi
s
• Supination of forearm and flexetion of ar
m

4. •Coracobrachialis
• Coracoid process of scapula
• Medial side of humerus shaft at la
vel of deltoid tubercle
• Flex arm at shoulder
• Musculocutaneous nerve

5. •Brachialis
• Letral and medial side of humer
us shaft
• Ulnar tuberosity
• Flex arm at elbow
• Musculocutaneous nerve

6. •Posterior compartment

7. •Triceps brachi
• Long head from infraglenoid tubercle. L
etral head from humerus superior to radi
al groove and medial head from humerus
inferior to radial groove
• All head converge to form tendon into ol
ecranon process of ulna
• Extend the arm at elbow
• Radial nerve