forelimb muscles Flashcards
brachioradialis
O: middle of humerus
I: distal end of humerus
A: rotates radius to supine position
clavobrachialis
O: clavicle
I: proximal end of ulna
A: extends forelimb
triceps brachii
O: scapula and humerus
I: olecranon
A: extends forelimb
extensor carpi ulnaris
O: lateral epicondyle of humerus
I: metacarpal
A: extends wrist
extensor carpi radialis
O: lateral surface of humerus
I: metacarpal
A: extends wrist
extensor digitorum communis
O: lateral surface of humerus
I: phalanges
A: extends digits of manus
extensor digitorum lateralis
O: lateral surface of humerus
I: phalanges
A: extends digits of manus
flexor carpi radialis
O: medial epicondyle of humerus
I: metacarpals
A: flexes wrist
flexor carpi ulnaris
O: medial epicondyle of humerus and olecranon
I: carpals
A: flexes wrist
palmaris longus
O: medial epicondyle of humerus
I: proximal phalanges of digits
A: flexes wrist
pronator teres
O: medial epicondyle of humerus
I: middle of radius
A: rotates radius to prone position
epitrochlearis
O: lateral border of lateral dorsi of ulna
I: olecranon process
A: extends lower forelimb