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36 Cards in this Set

  • Front
  • Back
Retracts scalp; fixes galea aponeurotica.
Occipitalis
Raises eyebrows and creates wrinkles in forehead when occipitalis is contracted; draws scalp forward when occipitalis is relaxed
Frontalis
Closes eye; compresses lacrimal gland to promote flow of tears.
Orbicularis Oculi
Medially depresses eyebrows and draws them closer together; wrinkles skin between eyebrows.
Corrugator Supercilii
Origin of Corrugator Supercilli
Superciliary ridge
Insertion of Corrugator Supercilli
skin of eyebrow
Wrinkles skin between eyebrows; draws skin of forehead down.
Procerus
Origin of Procerus?
skin on bridge of nose
Insertion of Procerus?
skin of forehead.
One part widens nostrils; another part depresses nasal cartilages and compresses nostrils.
Nasalis
Origin of Nasalis
maxilla and nasal cartilages
Insertion of Nasalis
bridge and alae of nose
Closes lips; protrudes lips as in kissing; aids in speech.
Orbicularis Oris
Elevates upper lip
Levator Labii Superioris
Elevates corners of mouth as in smiling and laughing.
Levator Anguli
Origin of Levator Anguli
Maxilla
Insertion of Levator Anguli
superior corner of mouth
Draws corners of mouth laterally and upward, as in smiling and laughing
Zygomaticus
Draws corners of the mouth laterally as in grimacing
Risorius
Depresses corners of mouth, as in frowning.
Depressor Anguli Oris
Depresses lower lip
Depressor Labii Inferioris
Compresses cheek; pushes food between teeth; expels air or liquid from mouth; creates suction
Buccinator
Depresses mandible, opens and widens mouth, tenses skin of neck
Platysma
Elevates mandible for biting and chewing; retracts mandible.
Temporalis
Elevates mandible for biting and chewing; causes some lateral excursion of mandible.
Massetor
Retracts mandible; elevates and fixes hyoid; depresses mandible when hyoid is fixed.
Digastric
Forms floor of mouth; elevates hyoid; opens mouth when hyoid is fixed.
Mylohyoid.
Elevates hyoid.
Stylohyoid
Depresses hyoid; fixes hyoid during opening of mouth
omohyoid
Depress hyoid; fixes hyoid during opening of mouth.
sternohyoid
Depresses hyoid; elevates larynx; fixes hyoid during opeining of mouth.
thyrohyoid.
Depresses larynx; fixes hyoid during opening of mouth.
sternohyoid.
Contraction of either one draws head down and toward the side opposite the contractin muscle; contracton of both draws dead forward and down, as in looking between the feet.
Sterncleidomastoid
Flex neck laterally; elevate ribs 1 and 2 in inspiration
Scalenes
Abducts and extends nexk
Trapezius
Rotate head, extend neck
Splenius Capitis