Dr Smith can you give me a link to those excercises? Also there are specific excersices for the back, depending on what is wrong. These are supposed to ease the pain by strengthening the surrounding muscles and what not. If you are having sciatica pain going down from your back to your butt and legs, there are specific excersices for that. Just google sciatica excersices. I think you are pushing your body farther than it is comfortable doing. Liston to your body. You don't want to just become a lump on the couch, but there are more comfortable ways to work out and not as often. I Need to take this advise too, to keep moving at least.