Axial Muscles: Actions ONLY Flashcards
Frontalis
Raises eyebrows and wrinkles forehead
Orbicularis Oculi
Closes eyes
Zygomaticus
Raised corner of mouth; smiling muscles
Depressor Anguli Oris
Pulls down corner of mouth; frowning muscle.
Orbicular oris
Purses lips; kissing muscles
Temporalis
Raises jaw;chewing action
Masseter
Raises jaw; chewing action
Buccinator
Holds food between teeth while chewing
Pterygoid
Grinding side to side movements
Suprahyiod Group
(Digastric, stylohyiod, mylohyiod, and heniohyoid)
Widen pharynx, close larynx (pulls hyoid up and toward mandible)
Tensor veli palatini
Close nasal passage by elevating soft palate
Levator veli palatini
Close nasal passage by elevating soft palate
Pharyngeal constrictors
Propel food throught pharynx into esophagus
Infrahyoid (sternohyoid, sternohyoid, omohyoid, thyrohyoid)
Return hyoid and larynx to pre-swallowing position
Sternocleidomastoid
Flexion, lateral movement