Facial Muscles Flashcards
What phoneme for the risorius muscle?
/i/
What muscles function is retracting the lips at the corner and grinning?
risorius muscle
what is the “kissing muscle”
orbicularis oris muscle
What muscles function is to elevate and retract the angle of the mouth, for smiling
zygomatic major muscle
What is the origin and insertion for the zygomatic major muscle
origin: zygomatic bone
insertion: corner of the orbicularis oris
What muscles function is to close the lips/constricts the oral opening, puckers the lips, used in whistling
orbicularis oris muscle
what is the origin and insertion of the levator anguli oris
origin: canine fossa of the maxilla
insertion: orbicularis oris
What is the origin and insertion of the orbicularis oris muscle?
corner of the lips
What are the origin and insertion for the levator labii superioris?
origin: infraorbital margin of maxilla
insertion: mid-lateral region of upper lip
what muscles function is to pull the lower lip out, elevate and wrinkle the skin of chin, and pouting muscles?
mentalis
What is the origin and insertion of the depressor anguli oris?
origin: lower border of the mandible
insertion: orbicularis oris and upper lip corner
what muscle is the vertical paired muscle?
levator anguli oris
what muscles action is to pull the eyebrows up and wrinkles the forehead?
frontalis muscle
what is the origin and insertion of the depressor labii inferioris?
origin: mandible
insertion: lower lip
What are the related phonemes of the orbiculris oris muscle?
/b,p,m/, /f,v/, rounded vowels - /u,o/, /r/
What are the origin and insertion for the buccinator?
origin: ptyergomandibular ligament
insertion: corner of the mouth
What is the speech function for orbicularis oris muscle
any speech phonemes that involves lip rounding or lip contact with other articulators
What muscles function is to draw the corners of the mouth up and medially?
levator anguli oris
what is the origin and insertion of the mentalis?
origin: incisive fossa of mandible
insertion: skin of chin below
What are the origin and insertion of the risorius muscle?
origin: posterior region of the face along the masseter muscle
insertion: corner of the mouth
What muscles function is to elevate the upper lip?
levator labii superioris & zygomatic minor
What muscle has the function to pull the lips down and out?
depressor labii inferioris
what are the 5 branches of the facial nerve?
temporal
zygomatic
buccal
mandibular
cervical
What muscles function is to compress the cheek for chewing (move food onto molaris) and constricts oropharynx?
buccinator muscle
what muscle has the function to depress the corner of the mouth, compress upper lip against lower lip and frown?
depressor anguli oris
