Muscles of Facial Expression (week 2) Flashcards
What muscle Elevates the angle of the mouth
Levator Anguli Oris
What are the three actions of Orbicularis Oris
- Compresses lips against anterior teeth
- Closes mouth
- Protrude lips
Name the five muscles of facial expression of the mouth
Orbicularis Oris, Depressor Anguli Oris, Levator Anguli Oris, Zygomaticus Major and Risorius
What is the action of the Risorius muscle
Draws angle of mouth laterally
Action of the Depressor Anguli Oris
Depresses Angle of Mouth
Action of Zygomaticus Major?
Draws angle of mouth up and back
What muscle Depresses angle of mouth
Depressor Anguli Oris
What muscle draws angle of mouth laterally
Risorius
What muscle compresses lips?
Orbicularis Oris
What muscle draws angle of mouth up and back
Zygomaticus Major
Name two muscles of facial expression of Lips
Levator Labii Superioris and Depressor Labii Inferioris
Which muscle depresses lower lip
Depressor Labii Inferioris
Which muscle elevates upper lip and flares nostril
Levator Labii Superioris
Action of Buccinator
Compresses cheeks against molar teeth and is involved in sucking and blowing
What muscle puckers skin of chin and protrudes lower lips
Mentalis
