Practical II Actions Flashcards
Occipitalis Belly, Epicranius
pulls scalp backward
Frontalis Belly, Epicranius
pulls scalp forward; wrinkles forehead & raises eyebrow
Procerus
depress eyebrows medially
Compressor Naris
compress cartilage at bridge of nose
Dilatator Naris
widens, dilates nostrils & anterior nasal aperture
Depressor Septi
widens nostril
Corrugator Supercilii
draws eyebrow medial & down (forms vertical furrow between eyebrows)
Levator Labii Superioris
raises & everts upper lip
Levator Labii Superioris Alaeque Nasi
raises & everts upper lip; dilates nostril
Zygomaticus Minor
raises upper lip, produces nasolabial groove
Zygomaticus Major
draws angle of mouth up and out
Levator Anguli Oris
raises angle of mouth; produces nasolabial groove
Orbicularis Oris
close mouth; purse & protrude lips
Buccinator
compress cheeks against teeth
Risorius
draws back angle of mouth