Study setting and eligibility criteria
tumor, Pain, fracture, pain, LBP, NRS
CARDIAC INSUFFICIENCY, TUMOR, CORONARY HEART DISEASE, DISEASES
This trial was conducted until August 2023 at the Inclusion criteria:Aged between 18 and 60 yearsCLBP (defined as pain lasting more than 12 weeks);CLBP of at least three points in a 0 to 10 Pain Numerical Rating Scale (NRS) [Having a smartphone with internet access and an e-mail account;Police officer (federal, federal highway, civil or military) or military firefighter working in the State of Rio Grande do Sul.CLBP was defined as pain or discomfort between the 12th ribs and the lower gluteal folds, with or without symptoms referred to the lower limbs, lasting more than 12 weeks (chronicity), not attributed to a specific diagnosis [Exclusion criteria:Neurological symptoms (nerve root compromise or sensation deficits);Spinal severe diseases (e.g., fracture, tumor, inflammatory, autoimmune, and infectious diseases);Severe cardiovascular and metabolic diseases (e.g., coronary heart disease, cardiac insufficiency, decompensated diabetes);Recent spine surgery (over the last 12 months) or scheduled to undergo surgery in the next 6 months;Pregnancy;History of physical therapy treatment for LBP or physical exercise (strength training for core muscles, Pilates, yoga) current or within the last 3 months;Retired;Having any contraindications to exercise.We pre-screened physical activity participation at baseline using the Physical Activity Readiness Questionnaire (PAR-Q) Portuguese version [