Diagnosis and Treatment of Fibromyalgia at Delta/Fillmore Physical Therapy and Sports Medicine in Delta/Fillmore, UT Posted on August 14, 2018 0 Fibromyalgia is a chronic disorder that causes widespread pain in the bones, muscles, and tender areas in the body, as well as fatigue. It is a rheumatic condition that mainly affects the muscles and soft tissue. Diagnosis can be made if the