Muscles Of Facial Expression Flashcards
The muscles of facial expression often insert on what?
The skin instead of bones
What is the motor innervation to all muscles of facial expression?
CN VII (facial
What is the action of the epicranius (occipitofrontalis) muscle?
Creates expressions of surprise and/or fright
What is the action of the orbicularis oculi (orbital and palpebral portions)?
Close the eyelids
Which muscle lifts the upper lip?
Levator labii superioris
Which muscles are the smiling and laughing muscles?
Zygomaticus major and minor
Levator anguli oris
Which muscles depress the lower lip?
Depressor labii inferioris and depressor anguli oris
Which muscles closes your mouth and also allows you to pout?
Orbicularis oris
Which cheek muscle holds the cheek close to the teeth?
Buccinator
What are the kissing muscles?
Buccinator and orbicularis oris
What are the major muscles of facial expression?
Epicranius, orbicularis oculi, levator labii superioris, zygomaticus major and minor, levator anguli oris, depressor labii inferior, depressor anguli oris, orbicularis oris, buccinator