Muscles of Mastication Flashcards
1
Q
Temporalis
A
A: Elevates and retracts mandible
O: Parietal bone
I: Mandible
2
Q
Masseter
A
A: elevates and protracts Madible; prime mover of mandible elevation
O: Zygomatic Arch
I: Mandible
3
Q
Medial pterygoid
A
A: Elevates and protracts mandible; Produces side to side movement of mandible
O: Maxilla, Palatine, and Sphenoid Bones
I: Mandible
4
Q
Lateral Pterygoid
A
A: Protracts and depresses mandible; produces side to side movement
O: Sphenoid Bone
I: Mandible
5
Q
Platysma
A
A: Pulls lower lip inferiorly; tenses skin of neck
O: Deltoid, Pectoralis Major, Scapula
I: Skin of cheek and mandible
