Muscles that move Mandible Flashcards
1
Q
Masseter
A
O: maxilla and zygomatic arch
I: angle and ramus of mandible
A: elevates
N: CNV - trigeminal
2
Q
Temporalis
A
O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts
N: CNV - trigeminal
3
Q
Medial pterygoid
A
O: medial surface of lateral portion of pterygoid process of sphenoid bone, maxilla
I: angle and ramus of mandible
A: elevates and protracts (protrudes), side to side movement
N: CNV - trigeminal
4
Q
Lateral pterygoid
A
O: greater wing and lateral surface of lateral portion of pterygoid process of sphenoid bone
I: condyle of mandible, temporomandibular joint (TMJ)
A: protracts, depresses, side to side movement
N: CNV - trigeminal