Has the CFS/FMS changed through the years? I am into my 22 year. I just realized that I now can exercise, on a Wii video of boxing, or dancing, without any apparant pay-back with post-exertional fatigue! I had resigned myself over the years to avoiding exercise because of past relapses. I am wondering if type of exercise is important. In past, swimming and walking (uses whole body)would give me relapses. The boxing tapes is alot of staying pretty stationary and using the arms more. I've also noticed that riding a bicycle is ok, also, again, I am pretty much sitting stationary, but mainly using legs. Also, noticed that I can feel like crap and have no desire to go walking or get out of house, but can do these tapes of boxing or dance and end up feeling so much better. If anything it releases so much stress, frustration and anger building up in me. I don't think I could have done these exercises the first ten years into CFS, however. But I was also raising 5 kids, so that alone was enough physical work. I noticed at ten year mark, less fibromyalgia, with an apparant less active immune system as I started catching more colds and flus where for 10 years didn't catch hardly anything. Just thought I would say "never say never" with CFS. Certain exercises might work , if others don't. And even if you feel like crap, some exercises will make you feel better in spite of it. When I am doing the boxing I feel like I'm actually boxing the DD and I feel better mentally because of it.