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Muscles of the Arm (Actions)
muscles
16
Biology
Undergraduate 4
04/27/2011
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Term
biceps brachii
 Definition
supination and flexion of the forearm
Term
triceps brachii
 Definition

extension of forearm 

extension of arm
Term
Brachialis
 Definition
elbow flexion
Term
coracobrachialis
 Definition
flexes and medially rotates arm
Term
Extensor Digitorum
 Definition

extension of wrist

extension of MCPH and IPH joints of 2-5
Term
extensor carpi unlaris
 Definition

extension of wrist

adduction of hand
Term
Extensor digiti minimi
 Definition
Extends wrist and all joints of digit 5
Term
Extensor carpi radialis longus
 Definition
extends wrist
Term
extensor carpi radialis brevis
 Definition
extends wrist
Term
extensor pollicis longus
 Definition

extends thumb

 
Term
extensor indicis
 Definition
extends wrist and digit 2
Term
palmaris longus
 Definition
anchors skin and fascia
Term
lumbricals
 Definition

extend PH joints

pinch objects
Term
doral interossei
 Definition
abduct fingres
Term
plamar interossei
 Definition
adduct
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