The Journal of the American Osteopathic Association
Somatic dysfunction is diagnosed by the presence of any of 4 TART criteria: tissue texture abnormality, asymmetry, restriction of motion or tenderness. The objective of this cross-sectional study nested within a randomized controlled trial, was to measure the prevalence of somatic dysfunction in patients with chronic low back pain and to study the associations of somatic dysfunction with LBP severity, back-specific functioning and general health
Abstract avaible here.