Blogs and Articles — TMJ
How To Find Trigger Points in the Masseter (Ear and Jaw Pain)
Posted by Julian Knight on
How To Find Trigger Points - Masseter ActiveTrigger Points in the Masseter Can Cause Ear, Tooth, and Jaw Pain The masseter is a powerful workhorse muscle that we use almost continually and can occasionally get overworked. Trigger points may form and become active in the masseter under the following conditions: Trismus (severely restricted jaw), TMJ pain, tension/stress headache, ear pain, ipsilateral tinnitus, dental pain, bruxism, sinusitis pain, puffiness under the eyes (often present in singers), Chewing gum, prolonged dental work, stress, emotional tension, head-forward occupational postures. There are typically 1-4 groups of trigger points found in the masseter muscle...
Trigger Points - Digastricus
Posted by Jane Ziegler on
Latin digastricus, having two (muscle) bellies Origin Anterior belly: digastric fossa on inner side of lower border of mandible, near symphysis. Posterior belly: mastoid notch of temporal bone. a) Posterior, b) Anterior Insertion Body of hyoid bone via a fascial sling over an intermediate tendon. Action Raises hyoid bone. Depresses and retracts mandible as in opening the mouth. Nerve Anterior belly: mylohyoid nerve, from trigeminal V nerve (mandibular division). Posterior belly: facial (V11) nerve. Trigger Point Referred Pain Anterior: lower four incisor teeth, tongue, and lip, occasionally to chin. Posterior: strong 2 cm zone around mastoid...
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- Tags: Digastricus, TMJ, TMJD
Lateral Pterygoid Muscle - Trigger Point Release
Posted by Jane Ziegler on
Tips for Treating Trigger Points - Lateral Pterygoid Trigger Points in the Lateral Pterygoid are a Common Cause of Cheek Pain The superior head of the lateral pterygoid is sometimes called the sphenomeniscus, because it inserts into the disc of the temporomandibular joint. ORIGIN Superior head: lateral surface of greater wing of sphenoid. Inferior head: lateral surface of lateral pterygoid plate of sphenoid. Lateral Pterygoid Trigger Points INSERTION Superior head: capsule and articular disc of the temporomandibular joint. Inferior head: neck of mandible. ACTION Protrudes mandible. Opens mouth. Moves mandible from side to side (as...
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- Tags: Lateral Pterygoid, TMJ, TMJD