arm/ forearm muscles

Created by stefsamuels 

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18 terms

epitrochlearis

origin @ latissimus dorsi; insertion @ lower forelimb; location @ superficial muscle on medial surface of humerus; function is extensor of elbow; CAT ONLY

triceps brachii

3 muscles found in cat & human

triceps brachii longus

origin @ scapula; insertion @ forelimb; location @ dorsal part of arm; function is extensor of forearm

triceps brachii lateral head

origin @ dorsal surface of humerus; insertion @ upper forelimb; location @ dorsal/lateral side of arm; function is extensor of arm

triceps brachii medial head

origin @ dorsal surface of humerus; insertion @ upper forelimb; location @ medial side of arm; function is extensor of forearm

biceps brachii

origin @ scapula; insertion @ radius; location @ anterior surface of upper arm; function is flexing and supinating forearm//flexes arm... CAT AND HUMAN

brachialis

origin @ lateral surface of humerus; insertion @ proximal end of ulna; location @ upper arm; function is flexor of elbow and forearm... CAT AND HUMAN

brachioradialis

origin @ middle of humerus; insertion @ distal end of radius; location @ middle arm to forearm; function is rotates the radius and supinates and flexes forearm... CAT AND HUMAN

extensor carpi radialis longus

origin @ humerus; insertion @ 2nd metacarpal; location @ lateral side of forearm; function is extends and abducts the wrist... CAT AND HUMAN

extensor carpi ulnaris

origin @ humerus & ulna; insertion @ 5th metacarpal; location @ middle portion of forearm; function is extends and abducts wrist... CAT AND HUMAN

extensor digitorum communis

origin @ humerus; insertion @ 2nd, 3rd, 4th, 5th digits; location @ middle portion of forearm; function is extends phalanges... in CATS, known in humans as extensor digitorum

extensor digitorum lateralis

origin @ humerus; insertion @ 3rd, 4th, 5th digits; location @ middle portion of forearm; function is extends phalanges... CAT only; in humans=extensor digitorum

flexor digitorum profundus

origin @ humerus & ulna; insertion @ digits/phalanges; location @ medial surface of arm; function is flexion of phalanges... CAT AND HUMANS

flexor carpi ulnaris

origin @ humerus; insertion @ carpals; location @ medial surface of arm (closer to ulna); function is flexes and adducts wrist... CAT AND HUMANS

palmaris longus

origin @ humerus; insertion @ distal end of ulna/radius; location @ medial surface of arm; function is flexion of wrist... CAT AND HUMANS

flexor carpi radialis

origin @ humerus; insertion @ 2nd and 3rd metacarpal; location @ medial surface of arm (closer to radius); function is flexes and adducts wrist... CAT AND HUMANS

pronator teres

origin @ humerus and ulna; insertion @ radius; location @ medial surface of arm; function is pronates the forearm and hand... CAT AND HUMANS

supinator

origin @ humerus & ulna; insertion @ radius; location @ anterior & lateral surface of arm (deep muscle); function is supinates the forearm and hand... CAT AND HUMANS

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