facial muscles pt. 2 Flashcards
levator labii superioris alaeque nasi origin
frontal process of maxilla
levator labii superioris alaeque nasi insertion
skin of the nostril wing and the upper lip
levator labii superioris alaeque nasi action
lifts upper lips and dilates the the nostril
levator labii superioris alaeque nasi other name
common elevator
zygomaticus origin
zygomatic bone
zygomaticus insertion
skin and muscles at the corners of the mouth
zygomaticus action
raises corners of the mouth
levator anguli oris origin
anterior surface of the mandible ***
levator anguli oris insertion
corner of the mouth
levator anguli oris action
elevates angle of the mouth
buccinator origin
molar region of the maxilla and mandible
buccinator insertion
orbicularis oris
buccinator action
compress cheek for whistling and sucking
buccinator other name
Bugler’s/Trumpeter’s muscle
risorious origin
deep fascia of the face
risorious insertion
skin at the angle of the mouth
risorious action
retracts angle of the mouth
- for smiling and laughing
depressor anguli oris origin
outer surface of mandible
depressor anguli oris insertion
angle of the mouth
depressor anguli oris action
pulls corner of mouth downward
depressor anguli oris other name
triangularis
depressor labii inferioris origin
outer surface of the mandible
depressor labii inferioris insertion
skin of the lower lip
depressor labii inferioris action
depresses and draws lower lip laterally
depressor labii inferioris other name
quadratus
mentalis origin
below the incisor teeth on mandible
mentalis insertion
skin of the chin
mentalis action
protrudes lower lip in “pouting” expression and wrinkles the chin
platysma origin
fascia of pectoral and deltoid muscles in the chest
platysma insertion
lower margin of the mandible as well as the skin and muscle at the corner of the mouth
platysma action
depresses the mandible, pulls the lower lip back down, and tenses skin of the neck
sternocleidomastoid origin
manubrium of sternum and medial portion of clavicle
sternocleidomastoid insertion
mastoid process of temporal bone and the nuchal line of the occipital bone
sternocleidomastoid action
turns and pulls the head down