>>Besides the T3 will they run some check-ups on you?
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>He felt around and was certain it was a particular muscle that is peripherally involved in swallowing.
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>> What is the cause of this condition?
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>He said cramps and spasms happen when muscles are stressed or you are a bit dehydrated.

You will just be told to do range-of-motion excercises for your neck at regular intervals during the day. This is especially good while staring at a computer screen for many hours a day.