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Navarro PTA O.I.A.N
TMJ
muscle | origin | insertion | action | nerve |
---|---|---|---|---|
Masseter | zygomatic arch of temporal bone and zygomatic process of maxilla | angle of the ramus and coronoid process of mandible | bilaterally: TMJ elevation unilaterally: ipsilateral lateral deviation of TMJ | trigeminal nerve (cranial nerve V) |
Temporalis | temporal fossa | coronoid process and ramus of mandible | bilaterally: TMJ elevation and retrusion (posterior fibers) unilaterally: ipsilateral lateral deviation of TMJ | trigeminal nerve (cranial nerve V) |
Medial Pterygoid | lateral pterygoid plate of the sphenoid bone and tuberosity of the maxilla | ramus and the angle of the mandible | bilaterally: TMJ elevation and protrusion unilaterally: contralateral lateral deviation of TMJ | trigeminal nerve (cranial nerve V) |
Lateral Pterygoid | lateral pterygoid plate and greater wing of the sphenoid | mandibular condyle and articular disk | bilaterally: TMJ depression and protrusion unilaterally: contralateral lateral deviation of TMJ | trigeminal nerve (cranial nerve V) |
Sternohyoid | manubrium, ,medial clavicle, sternoclavicular membrane | Inferior border of hyoid bone | Depress, stabilize the hyoid | C1-C3 |
Thyroidhyoid | Oblique line of thyroid body | Inferior border of hyoid bone | Depress, stabilize the hyoid | Cranial XII |
Omohyoid | Superior border | Body of the hyoid money | retract, depress the hyoid | C1-C3 |
sternothyroid | Oblique line of thyroid cartilage | Body of thyroid | Depress larynx | C1-C3 |