Fibromyalgia is a common rheumatic syndrome indicating widespread pain in fibrous tissues, muscles, tendons, and other connective tissues, resulting in painful muscles without weakness. The cause of this disorder is unknown, although it is a chronic problem that can come and go for years.
The nine paired red circles are recognized as common tender points associated with fibromyalgia
Update Date 1/16/2016
Updated by: Gordon A. Starkebaum, MD, Professor of Medicine, Division of Rheumatology, University of Washington School of Medicine, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.