Muscles and Bones of the Upper Limbs

Deltoid (Origin, Insertion, and Action)

Clavicle and Scapula, Deltoid tuberosity of the humerus, flexion at the shoulder

Coracorbrachialis

coracoid process, medial humerus, adduction and flexion of the shoulder

Triceps Brachii (Long Head)

Infraglenoid tubercle of the scapula, olecranon of ulna, extension at the elbow and extension and adduction at the shoulder

Latissimus Dorsi

Vertebrae, proximal humerus, extension, adduction, and medial rotation at shoulder

Biceps Brachii (short head)

Coracoid process, radial tuberosity of radius, flexion at shoulder and elbow

Biceps Brachii (long head)

Supraglenoid tubercle, radial tuberosity of radius, flexion at shoulder and elbow

Brachioradialis

Lateral epicondyle of distal humerus, styloid process, flexion of elbow

Brachialis

Anterior humerus, ulnar tuberosity, flexion of elbow

Triceps Brachii (lateral head)

Proximal humerus, olecranon of ulna, extension at elbow

Triceps Brachii (medial head)

Posterior humerus, olecranon of ulna, extension at elbow

Pronator teres

Medial epicondyle of humerus, mid-lateral surface of radius, pronation

Flexor carpi ulnaris

Medial epicondyle of humerus and ulna, pisiform, hamate, base of metacarpal V, flexion and adduction at wrist

Palmaris longus

medial epicondyle of humerus, palmar aponeruosis, flexion at the wrist

Flexor carpi radialis

medial epicondyle of humerus, base of metacarpals II-III, flexion and abduction at the wrist

Extensor carpi radialis longus

lateral epicondyle of the humerus, base of second metacarpal, extension and abduction at the wrist

Extensor carpi radialis brevis

Lateral epicondyle of humerus, base of third metacarpal, extension and abduction at the wrist

Extensor carpi ulnaris

Lateral epicondyle of humerus, base of fifth metacarpal, extension and adduction at the wrist