Origin, Insertion, Action arm muscles

triceps brachii action

extends forearm and arm, also adducts arm

extensor carpi radialis longus action

extends wrist and abducts hand med

extensor carpi ulnaris action

extends wrist and adducts hand

biceps brachii action

flexes forearm and arm, supinates forearm

flexor carpi radialis action

flexes wrist abducts hand

flexor carpi ulnaris action

flexes wrist and adducts hand

biceps brachii origin

glenoid cavity and coracoid process

extensor carpi ulnaris origin

lateral epicondyle of humerus and posterior border of ulna

supinator origin

lateral epicondyle of humerus near radial notch on ulna

supinator insertion

lateral surface of proximal 1/3 of radius

extensor carpi radialis longus origin

lateral, distal end of humerus

flexor carpi radialis origin

medial epicondyle of humerus

pronator teres origin

medial epicondyle of humerus and coronoid process of ulna

flexor carpi ulnaris origin

medial epicondyle of humerus, olecranon process of ulna

extensor carpi radialis longus insertion

metacarpal 2

extensor carpi ulnaris insertion

metacarpal 5

flexor carpi radialis insertion

metacarpals 2 and 3

pronator teres insertion

midshaft of radius

triceps brachii insertion

olecranon process of ulna

flexor carpi ulnaris insertion

pisiform, hamate and metacarpal 5

pronator teres action

pronates forearm

biceps brachii insertion

radial tuberosity of radius

triceps brachii origin

scapula and humerus

supinator action

supinates forearm