Muscles of the forearm: movements of the wrist, hand, and fingers.

Created by htyrpak 

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pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris, flexor digitorum superficialis

list the 5 anterior superficial muscles of the forearm that aid in movements of the wrist, hand, and fingers.

pronates forearm; weak flexor of elbow

actions of pronator teres?

powerful flexor of wrist; abducts hand

actions of flexor carpi radialis?

tenses skin and fascia of palm during hand movements

actions of palmaris longus?

powerful flexor of wrist; also adducts hand

actions of flexor carpi ulnaris?

flexes wrist and middle phalanges of fingers 2-5

actions of flexor digitorum superficialis?

flexes distal phalanx of thumb

actions of flexor pollicis longus?

flexes distal interphalangeal joints; assists in flexing wrist

actions of flexor digitorum profundus?

flexor pollicis longus, flexor digitorum profundus, pronator quadratus

list the 3 deep anterior muscles of the forearm involving movements of the wrist, hand, and fingers.

prime mover of forearm pronation; acts with pronator teres

actions of pronator quadratus?

brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor carpi ulnaris

list the 5 superficial posterior muscles of the forearm involved in movement of the wrist, hand, and fingers.

extends wrist; abducts wrist.

actions of extensor carpi radialis longus?

extends and abducts wrist

actions of extensor carpi radialis brevis?

prime mover of finger extension

actions of extensor digitorum?

extends wrist; adducts wrist

actions of extensor carpi ulnaris

supinator, abductor pollicis longus, extensor pollicis brevis and longus, and extensor indicis

list the 4 deep posterior muscles of the forearm involved in movement of the wrist, hand, and fingers.

assists biceps brachii to forcibly supinate forearm

actions of supinator?

abducts and extends thumb

actions of abductor pollicis longus?

extends thumb

actions of extensor pollicis brevis and longus?

extends index finger

actions of extensor indicis?

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