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Arm Muscles
Arm Muscle Actions
| Question | Answer |
|---|---|
| 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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