Muscles of Facial Expression Origin Insertion Action Ocipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Zygomaticus (no need to distinguish major/minor) Platysma Risorius Buccinator Depressor Anguli Oris
Muscles of Facial Expression Origin Insertion Action Ocipitofrontalis (Epicranius) Orbicularis Oculi Orbicularis Oris Zygomaticus (no need to distinguish major/minor) Platysma Risorius Buccinator Depressor Anguli Oris
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Muscles of Facial Expression
Origin
Insertion
Action
Occipitofrontalis (Epicranius)
Orbicularis Oculi
Orbicularis Oris
Żygomaticus (no need to
distinguish major/minor)
Platysma
Risorius
Buccinator
Depressor Anguli Oris
Epicranial
aponeurosis
Frontal
FEpleranius
belly
Corrugator superci
Occipital
belly
Orbieularis oculi
Levater jabi
superioris
Temporalis
Zygomatieus
minor and major
Frontal belly of epicranius
(raised eyebrows/wrinkled forehead)
Corrugator supercili
(angry eyebrows)
Orbicularis oculi
(blink)
Buccinator
Masseter
Risorius
Sternocieidomastoid
Orbicularis oris
Mentalis
Thapezius
Depreasor
labili interioris
Splenius
capitis
Depressor anguli oris
Platysma
Mentalis
Zygomaticus major
(smile)
Platysma
(tense neck)
Orbicularis oris
(pucker)
(pout)
(b) Superficial muscles of the head and neck, left lateral view
(a) Actions of select facial muscles
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