 
			It sounds as if you may have some tension in the muscles of the upper back 
or neck which can pull on their anchor points at the base of the skull, or 
alternatively you have a tense jaw. All are extremely common.
Yesterday, I was one of a group in a public speaking course and the trainer 
taught us a technique used by performers to contract and relax the facial 
muscles. Of course we all felt a bit silly doing this but hopefully you can find 
a private moment:
Really exaggerating the shape of the mouth as you make the following 
sounds, say Ay, Ee, Ooh, Aw, Aah. Then mimic chewing like a giraffe with the 
same circular motions in one direction and then the other. After a couple of 
minutes of these exercises, shake the jaw loosely from side to side, so long as 
none of this causes you any pain of course.
If the exercises aren't suitable, try taking some magnesium citrate after 
breakfast and evening meal.
Regarding upper back and neck exercises, if you follow this link you'll 
find a video blog on how to perform them. 
If you work at a desk or drive for long periods, you may well find the tension in the face, jaw and skull is relieved by these:
I hope one of these approaches helps
Best wishes
Earle
Do you have questions? Please feel free to ask.
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