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Head & Neck Anatomy > Lateral Pterygoid Muscle > Flashcards

Lateral Pterygoid Muscle Flashcards

1
Q

What is the origin for the Lateral Pterygoid Muscle?

A

lateral of the Lateral Pterygoid Plate

-sphenoid: greater wing

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2
Q

What is the insertion for the Lateral Pterygoid Muscle?

A

anterior of condyle neck

-some fibers to TMJ capsule

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3
Q

What are the 3 actions of the Lateral Pterygoid Muscle?

A
  1. slight depression of mandible
  2. protrusion of muscle
  3. “shifting” of the mandible (side to side)
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4
Q

Protrusion of the Lateral Pterygoid muscle happens, bi-laterally or uni-laterally?

A

bi-laterally

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5
Q

Shifting of the Lateral Pterygoid muscle happens, bi-laterally or uni-laterally?

A

uni-laterally

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6
Q

Describe the Lateral Pterygoid Muscle

A

not a very big muscle

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Head & Neck Anatomy (7 decks)

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