Lippert muscle cards skull TMJ

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created 12 days ago by Ashleigh_Bush
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1

Medial Pterygoid

O: lateral pterygoid plate of the sphenoid bone and tuberosity of the maxilla

I: Ramus and angle of the mandible

A: bilaterally: TMJ elevation and protrusion

unilaterally: contralateral lateral deviation of TMJ

N: trigeminal nerve Cranial N V

2

Lateral Pterygoid

O: Lateral pterygoid plate and greater wing of the sphenoid bone

I: mandibular condyle and articular disc

A: bilaterally: TMJ depression and protrusion

Unilaterally: contralateral lateral deviation of TMJ

N: trigeminal nerve Cranial nerve V

3

temporalis

O: temporal fossa

I: coronoid process and ramus of mandible

A: bilaterally: TMJ elevation and retrusion (posterior fibers)

unilaterally ipsilateral lateral deviation of TMJ

N: trigeminal nerve cranial nerve V

4

Masseter

O: zygomatic arch of temporal bone and zygomatic process of maxilla

I: angle of the ramus and coronoid process of mandible

A: bilaterally: TMJ elevation

Unilaterally: ipslateral deviation of TMJ

N: trigeminal nerve cranial nerve V