muscle attachments

What is the origin of the deltoid?

Clavicle; acromion; spine of scapula

What is the insertion of the deltoid?

Deltoid tuberosity

What is the origin of the supraspinatus?

Supraspinous fossa

What is the insertion of the supraspinatus?

Greater tubercle

What is the origin of the infraspinatus?

Infraspinous fossa

What is the insertion of the infraspinatus?

Greater tubercle

What is the origin of the subscapularis?

Subscapular fossa

What is the insertion of the subscapularis?

Lesser tubercle

What is the origin of the teres minor?

Lateral border of scapula

What is the insertion of the teres minor?

Greater tubercle

What is the origin of the teres major?

Posterior surface of scapula

What is the insertion of the teres major?

Intertubercular sulcus of humerus

What is the origin of the biceps brachii?

Coracoid process and supraglenoid tubercle

What is the insertion of the biceps brachii?

Radial tuberosity

What is the origin of the brachialis?

Anterior surface of distal humerus

What is the insertion of the brachialis?

Coronoid process of ulna

What is the origin of the triceps brachii?

Infraglenoid tubercle; posterior shaft of humerus; distal radial groove

What is the insertion of the triceps brachii?

Olecranon

What is the origin of the pronator quadratus?

Distal portion of anterior ulna shaft

What is the insertion of the pronator quadratus?

Distal surface of anterior radius

What is the origin of the pronator teres?

Medial epicondyle of humerus; coronoid process of ulna

What is the insertion of the pronator teres?

Lateral radius

What is the origin of the supinator?

Lateral epicondyle of humerus; proximal ulna

What is the insertion of the supinator?

Proximal end of radius

What is the origin of the flexor carpi radialis?

Medial epicondyle of humerus

What is the insertion of the flexor carpi radialis?

Base of 2nd and 3rd metacarpals

What is the origin of the flexor carpi ulnaris?

Medial epicondyle; olecranon; posterior surface of ulna

What is the insertion of the flexor carpi ulnaris?

Pisiform and hamate bones; base of 5th metacarpal

What is the origin of the extensor carpi radialis brevis?

Lateral epicondyle of humerus

What is the insertion of the extensor carpi radialis brevis?

Base of 3rd metacarpal

What is the origin of the extensor carpi radialis longus?

Lateral supracondylar ridge of humerus

What is the insertion of the extensor carpi radialis longus?

Base of 2nd metacarpal

What is the origin of the extensor carpi ulnaris?

Lateral epicondyle of humerus; posterior border of ulna

What is the insertion of the extensor carpi ulnaris?

Base of 5th metacarpal

What is the origin of the extensor digitorum?

Lateral epicondyle of humerus

What is the insertion of the extensor digitorum?

Phalanges of fingers 2-5