Then little by little, open up the other doors. What causes this pain is still unknown. There are a lot of people working on that question, but still have yet to find an answer. Different theories can be found by checking out the links for this page. It can be anywhere.
Some people have it only in their backs, legs, arms, or wherever.
But, then there are people like me who have it everywhere from my scalp to my toes. The pain is generally found in the muscles, but sometimes feels as though it's in the joints. I don't know how many times I tell my therapists that my knee hurts only to later find out that it was really my leg muscle that hurt, which made me think that my knee hurt. Eventually, if the FMS is not caught early enough, other problems may start to emerge. Such as, eye problems, ear problems, headaches, stomach problems, and the list goes on and on.