Some fibromyalgia patients may avoid exercise due to concern that the extra activity could increase pain. Fortunately, the opposite may be true, and exercise may actually help reduce pain. 

You probably think exercising is expending energy. After all that's what running and aerobics require. But yoga, which involves the opposite, has been shown to be healthy for people. Breathing, meditating, and stretching don't seem like hard work, much less exercise.