Muscles of facial expression Flashcards
Locate the occipitofrontalis frontal/occipital belly
forehead and back of head
Locate the zygomaticus major
goes from zygomatic arch to corner of mouth
Locate the buccinator
underneath cheek going laterally
Locate the orbicularis oculi and what is its action
muscle around eye and it closes eyelids
Locate the orbicularis oris and what is its action
compresses the lips
Locate the levator labii superioris and what is its action
starts under eye and elevates upper lip
Locate the depressor labii inferioris and what is its action
starts at corner of chin and goes to lower lip, pulls lower lip inferiorly
Locate the levator anguli oris and what is its action
covers 2/3 of depressor labii inferioris and goes to corner of mouth, elevates angle of mouth
Locate the depressor anguli oris and what is its action
pulls the angle of mouth inferiorly and laterally