Patients have to be > 18 years and with neck pain duration more than 6 months. Exclusion criteria are: pain duration < 6 months, cognitive deficit, history of fracture or operations around the neck region, presence of inflammatory rheumatic diseases, neurological diseases that could lead to neck pain, infections or tumors, pregnancy, previous rehabilitation for neck pain undergone within the last 12 months, and inability to attend all exercise sessions of our outpatient rehabilitation program.