Ch 10 Muscles of the Head Flashcards
wrinkles brow like corrugated cardboard
corrugator supercilii


corrugator supercilii
close eyelids, winking
orbicularis oculi


orbicularis oculi
This muscle helps with smiling
zygomaticus


zygomaticus
draws
corners of
mouth laterally
risorius


risorius
pucker the mouth,
kiss, whistle
orbicularis oris


orbicularis oris
flatten cheek,
suck, whistle
buccinator

close (elevate) the mandible, connected to chin
masseter


masseter
1.close (elevate) the mandible, on parietal bone
temporalis


temporalis
upper muscle that open (depress) the mandible
lateral pterygoids


lateral pterygoids
also elevate the mandible (lower)
medial pterygoids

Lower muscle

medial ptergoids
main muscle of tongue
genioglossus # 1

1 is?

genioglossus
depress tongue
hyoglossus
3

3

hyoglossus
retract and elevate tongue
styloglossus
2

2

styloglossus
depress lower lip, wrinkle skin of neck
platysma


platysma
These three bones elevate hyoid during swallowing
digastric, stylohyoid, mylohyoid
1, 2,3

1

digastric
2

mylohyoid
3

stylohyoid
elevates ribs, flexes neck
scalenes

1

middle scalenes
2

Anterior scalenes
3

posterior scalenes
Extends neck
splenius
