Has anyone else experienced their knee cap feeling like it regularly pops in and out? Sometimes its super painful and I can't walk on it and other times it doesn't hurt much and pops right back into place on its own. It used to only rarely occur but lately it's been happening almost every night (which leads me to believe it could be fibro related since my symptoms almost always get worse at night). When I was seeing a chiropractor a while back she agreed that that was what was actually happening… read more