I have to admit. I thought exercising in the water, unless it was organized Water Aerobics, wouldn't be effective. Man, was I ever wrong.
I feel it in my legs and arms the most. Its easier to get up offa the couch. I can peel and cut up a watermelon or 2 cantaloupes without my arms aching now. I really am amazed at the difference its made in such short time.