Originally Posted by 2dois2b

I don't want to be alarmist but I used to have a similar problem. I talked to a doctor about it once but he didn't think it was a big deal and we attributed it to an old frostbite injury. Some years went by and it it turned out I had a degenerating disk in my neck (c5-c6) that may have been contributing. The herniated disk was a serious problem requiring immediate surgery and I have some permanent spinal damage. It might have helped to get the MRI sooner.

Anyway, if it seems like your body is doing something weird get it checked. Neurology problems can be hard to diagnose.