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Arm Muscles

Arm Muscle Actions

QuestionAnswer
Extensor carpi ulnaris extends and adducts the wrist
Extensor digiti minimi extends the wrist and the little finger at all joints
Extensor digititorum extension of hand, wrist and fingers
Extensor indicis extends index finger, wrist
Extensor carpi radialis longus extensor at the wrist joint, abducts the hand at the wrist
Extensor carpi radialis brevis extensor at the wrist joint, abducts the hand at the wrist
pronator teres pronation of forearm, flexes elbow
pronator quadratus pronates the forearm
supinator Supinates forearm
biceps brachii Flexes elbow and supinates forearm
extensor pollicis longus extension of the thumb
extensor pollicis brevis extension of thumb
Abductor pollicis longus abduction, extension of thumb
flexor pollicis longus Flexion of the thumb.
flexor carpi ulnaris flexion and adduction of wrist
flexor carpi radialis Flexion and abduction at wrist
Fexor digitorum superficialis flexor of fingers
Palmaris longus Flexor of hand or wrist
anconeus assists in extension of the forearm. It also stabilizes the elbow
triceps brachii Extends forearm
brachialis flexion at elbow joint
brachioradialis flexion at elbow joint
Created by: osucowboyup
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