Facial Muscles & Muscles of Mastication Flashcards
Occipitalis
Location: Back of Skull
Action: Moves the Scalp Back
Frontalis
Location: frontal bone
Action: raises eyebrows
Corrugator
Location: Frontal bone- where eyebrows are
Action: Draws eyebrows down
Zygomaticus Major
Location: On cheek, inferior to minor
Action: Smile
Zygomaticus Minor
Location: On cheek, superior to major
Action: Smile
Orbicularis Oculi
Location: Around the eyes
Action: blink
Orbicularis Oris
Location: Around the mouth
Action: Close lips, pucker
Buccinator
Location: Deep cheek
Action: Chewing
Depressor Labii Inferioris
Location: Below lip on chin
Action: Pout
Levator Palpebrae Superioris
Location: Over eye, into eyelid
Action: raises eyelid
Mentalis
Location: Middle of chin
Action: Pout
Levator Labii Superioris
Location: next to nose, under eye
Action: Opens lips
Platysma
Location: From chest and shoulder over the collar bone, into neck
Action: Draws corners of mouth down and to the side -frightened
Masseter
MUSCLE OF MASTICATION
Origin: Zygomatic arch and zygomatic bone
Insertion: Angle and ramus of mandible
Action: Closes Jaw
Temporalis
MUSCLE OF MASTICATION
Origin: Temporal Fossa
Insertion: Coronoid process of mandible
Action: Closes jaw
