yes, yes, yes ---- it's all from the tos. I used to get all that stuff too. I was so stubborn about not wanting to quit my job (HEAVY computer use), that I was using my feet for controlling the mouse and had a button in my mouth that I would click to simulate clicking the mouse. I ended up getting TMJ issues. Bottom line, when the neck is tight and muscles in major spasm, it effects the upper extremities, including the face, ears, eyes, tmj, etc. (IMO). Also, when my neck was bad, my left eye (my bad side) used to twitch like a stripper's butt in Vegas.
So glad those days are behind me.