My neck, shoulder and back didn't hurt at all while in Costa Rica a few weeks back and I was lugging a 50 lbs military backpack back and forth.

My girl said it was probably the warm weather.

I noticed the difference soon as I got home and felt the cold weather.

I woke up stiff and not in a good way ladies and sexually confused young men...My back was stiff...How stiff you ask?

This stiff:

With a dash of this...When I danced I looked like this:

Oh vey!