I feel great right now, but tomorrow's warehouse day, and that'll warp my back again. I used to hurt my knees bad from kneeling on the bare floor a lot at work when resetting lower shelves, but I got an idea from another job I used to have: umpiring. Now I wear knee pads under my pants (no one is yet to notice unless I point it out to them, they're pretty thin) and they work great, but they're starting to wear down, they really aren't designed for everyday wear and are getting very thin in places. I could get the hard ones like constructiion workers wear, but they're bulky and I don't know how much they cost, plus I'd have to go to a hardware store to get them, the others I found at a K-Mart.