Water Exercise Ideas concerning MS Patients. Exercise can help ease the symptoms of multiple sclerosis, but it’s important to take certain precautions if you want your exercise program to be successful. The most important thing to remember is to not overdo it. You may have heard the sayings “no pain, no gain” or “feel the burn,” but those approaches are not helpful for people with MS. If you overdo it, you can end up straining an already taxed muscular system, increasing pain and causing your body and mind to become overstressed, overworked, and overtired.