 Methods. The design of the study is a simple randomized controlled trial. Ten primary care centers will be invited to participate and will be randomized into control CG and intervention group IG. Each professional will randomly invite to participate voluntarily moderate obese or overweight patients BMI: 25-34,9 kgm2 of both sexes, aged between 25 and 65 years old, who are 6 or more than 6 hours daily sitting. A total of 400 subjects 200 individuals in each group are needed. In addition, 50 subjects with fibromyalgia will be included in the study to know the feasibility of the intervention among them. 