| Muscle | Origin | Insertion | Action |
| coracobrachialis | coracoid process of scapula | shaft of humerus | adducts humerus |
| subscapularis | subscapular fossa | lesser tubercle | medial rotation of humerus |
| deltoid | acromion and spine of scapula, clavicle | deltoid tuberosity | abducts, flexes, and extends arm |
| pectoralis major | sternum and clavicle | greater tubercle | flexes, adducts, and medially rotates arm |
| infraspinatus | infraspinous fossa | greater tubercle | lateral rotation of humerus |
| teres major | lateral border of scapula | lesser tubercle | adducts and medially rotates arm |
| latissimus dorsi | lumbodorsal fascia | neck of humerus | adducts (extends) humerus |
| teres minor | lateral border of scapula | greater tubercle | laterally roates arm |
| biceps brachii (short head) | coracoid process of scapula | radial tuberosity | flexes forearm |
| biceps brachii (long head) | rim of glenoid process | radial tuberosity | flexes forearm |
| brachialis | shaft of humerus | coronoid process of ulna | flexes forearm |
| triceps brachii (medial, long, & lateral) | scapula & shaft of humerus | olecranon of ulna | extends forearm |
| pronator teres | medial epicondyle of humerus | shaft of radius | pronation of hand |
| brachioradialis | lateral epicondyle | styliod process of radius | flexes forearm |
