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Jaw, Neck, Head, and Teeth Pain from Digastric Muscle Trigger Points: Referred Pain Patterns

by on January 11, 2013

The digastric is a double muscle of the throat which is located under the chin, behind and below the corner of the jaw, immediately in front of the top of the sternocleidomastoid, one for each side of the jaw and neck. It gets its name from the Greek word for “two bellies”. The Greek word dia means double and gaster means belly hence digastric meaning “two-bellied”. The digastric is made up of an anterior and posterior belly. The anterior belly extends from the digastric fossa of the mandible and the posterior belly extends from the mastoid notch of the temporal bone. Both bellies then insert to the body of the hyoid bone via a fibrous loop over a common intermediate tendon between the two bellies.

 

Continue Reading:  Digastric Muscle: Location, Actions and Trigger Points

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