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

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2
Q

Temporalis

A

O: temporal bone
I: coronoid process and ramus of mandible
A: elevates and retracts
N: CNV - trigeminal

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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

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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

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