A member asked:

Can tight sternocleidomastoid.muscle make mastoid proces more prominent on one side. also have ear pressure and numbness on a cheek all same side

A doctor has provided 1 answer
Dr. Edward Workman answered

Specializes in Pain Management

Yes: The sternocleidomastoid (SCM) muscle inserts into the sternoclavicular area and then runs up into an insertion directly into the mastoid process Thus, if the SCM muscle is in spasm or tight, it will pull on the mastoid process likely causing inflammation and swelling. The masseter muscle in your cheek is also connected to the mastoid process, and, could tighten w/ hyperspasmodic activity in former

Answered 6/10/2017

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