TMJ muscle OIA Flashcards
1
Q
Masseter
A
O: side of mandible
I: mandibular ramus and angle
A: elevate mandible
2
Q
temporalis
A
O: temporal fossa
I: tip and medial structures of coronal processes
A: elevated mandible
3
Q
digastric
A
O: inferior, anterior mandible and mastoid process
I: hyoid bone
A: depresses mandible
4
Q
medial pterygiod
A
O: hard palate
I: medial surface of mandible
A: assists in grinding motion of chewing
5
Q
lateral pterygoid
A
O: infratemporal surface and crest of greater wing
I: mandibular condyle
A: aids in chewing and biting
