Actions-2 Flashcards
frontalis belly, epicranius
pulls scalp forward; wrinkles forehead and raises eyebrows
occipitalis belly, epicranius
pulls scalp backward
procerus
depress eyebrows medially
compressor naris
compress cartilage at bridge of nose
dilatator naris
widens, dilates nostrils and anterior nasal aperture
depressor septi
widens nostril
corrugator supercilii
draws eyebrows medial and down (forms vertical furrow between eyebrows)
levator labii superioris
raises and everts upper lip
levator labii superioris alaeque nasi
raises and everts upper lip; dilates nostril
zygomaticus major
draws angle of mouth up and out
zygomaticus minor
raises upper lip; produces nasolabial groove
levator anguli oris
raises angle of mouth; produces nasolabial groove
orbicularis oris
close mouth; purse and protrude lips
buccinator
compress cheeks against teeth
risorius
draws back angle of mouth