Facial Muscles Flashcards
Frontalis
Origin:
Galea apneurotica
Insertion:
Skin of eyebrows
Function:
Raises eyebrows
Orbicularis oculi
Origin:
Medial orbital margin
Insertion:
Skin around eyelids
Function:
Close eyelids
Orbicularis oris
Origin:
Maxilla, mandible
Insertion:
Skin around lips
Function:
Closes & protrudes lips
Zygomaticus major
Origin:
Zygomatic bone
Insertion:
Angle of mouth
Function:
Raises corners of mouth (as in smiling)
Zygomaticus minor
Origin:
Zygomatic bone
Insertion:
Upper lip
Function:
Raises upper lip
Depressor anguli oris
Origin:
Mandible
Insertion:
Angle of mouth
Function:
Lowers corners of mouth (as in frowning)
Mentalis
Origin:
Mandible
Insertion:
Skin of chin
Function:
Elevates and wrinkles skin of chin
Buccinator
Origin:
Maxilla, Mandible
Insertion:
Orbicularis oris
Function:
Compresses cheeck (as in whistling & sucking)
Platysma
Origin:
Fascia of upper chest
Insertion:
Lower border of mandible
Function:
Depresses mandible
Origin:
Galea apneurotica
Insertion:
Skin of eyebrows
Function:
Raises eyebrows
Frontalis
Origin:
Medial orbital margin
Insertion:
Skin around eyelids
Function:
Close eyelids
Orbicularis oculi
Origin:
Maxilla, mandible
Insertion:
Skin around lips
Function:
Closes & protrudes lips
Orbicularis oris
Origin:
Zygomatic bone
Insertion:
Angle of mouth
Function:
Raises corners of mouth (as in smiling)
Zygomaticus major
Origin:
Zygomatic bone
Insertion:
Upper lip
Function:
Raises upper lip
Zygomaticus minor
Origin:
Mandible
Insertion:
Angle of mouth
Function:
Lowers corners of mouth (as in frowning)
Depressor anguli oris