UNIT 3- Arm Muscles Flashcards
Coracobrachialis
flexion and abduction of arms/shoulder
Biceps brachii,short head
flexes and supinates forearm (turns corkscrew and pulls out cork)
Biceps brachii, long head
Flexes and supinates forearm
Triceps bracii, long head
extends forearm; stabilizes shoulder joint
Triceps brachii, medial head
extends forearm
Triceps brachii, lateral head
extends forearm
Brachialis
flexes forearm
Pronator teres
flexes forearm; pronates forearm
Brachioradialis
flexes forearm
flexor carpi radialis
flexes wrist; abducts hand
palmaris longus
weak wrist flexor
flexor carpi unlaris
flexes and adducts and
anconeus
adducts ulna during forearm rotation; weak forearm extensor
brachioradialis
flexes forearm
extensor carpi radialis longus
extends wrist; abducts and
flexor carpi ulnaris
flexes and abducts hand
extensor carpi ulnaris
extends and adducts hand
extensor digitorum
extends hand, extends digits 2-5