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Muscle Actions
Actions
20
Anatomy
Undergraduate 2
05/15/2014
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Cards

Term
Epicranius/Occipitofrontalis
 Definition
  • Raises Eyebrows
  • Pulls scalp laterally
Term
Risorius
 Definition
Draws corners of lip laterally
Term
Zygomaticus
 Definition
Elevates corners of mouth
Term

Buccinator

 

 Definition
Draws corner of lips laterally
Term
Masseter
 Definition
Elevate mandible
Term
Temporalis
 Definition
Elevate and retract mandible
Term
Platysma
 Definition
Depress mandible
Term
Sternocleidomastoid
 Definition
Flex neck and rotate head
Term
Scalenes
 Definition
Flex and rotate neck, elevate ribs
Term
Digastrics
 Definition
Elevate hyoid, open mouth, depress mandible
Term
Triceps Brachii
 Definition
Forearm Extension
Term
Biceps Brachii
 Definition
Flexion of elbow and supination of forearm
Term
Brachioradialis
 Definition
Synergist of elbow flexion
Term
Brachialis
 Definition
Flexor of Elbow
Term
Flexor Carpi Radialis
 Definition
Flexor of Wrist
Term
Palmaris Longus
 Definition
Flexor or wrist
Term
Flexor Carpi Ulnaris
 Definition
Flexion and adduction of wrist
Term
Extensor Carpi Radialis: Brevis & Longus
 Definition
Extend and Abduct wrist
Term
Extensor digitorum
 Definition
finger extension
Term
Extensor carpi ulnaris
 Definition
extend and adduct wrist
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