Re: Does Fibro-Myalgia have the same symptoms?
You could ask for an EMG (electromyogram). A neurologist does it, it takes about an hour, and can give an indication of whether you have something other than a myopathy.
Also the pattern of muscle fatigue can help the diagnosis: Which muscles get fatigued? Is it the same on both sides of the body? What activities does it prevent you do? Do you get stiffness? When?