Exercise-based Telerehabilitation Program for Police Officers and Firefighters With Chronic Non-specific Low Back Pain

Inclusion Criteria: * Aged between 18 and 60 years * Chronic low back pain (defined as pain lasting more than 12 weeks) * Chronic low back pain of at least 3 points in a 0 to 10 Pain Numerical Rating Scale * Own a smartphone with internet access and email account * Police officer (federal, federal highway, civil or military) or military firefighter working in the State of Rio Grande do Sul Exclusion Criteria: * Present neurological symptoms (nerve root compromise, or sensation deficits) * Present serious spinal diseases (e.g., fracture, tumor, inflammatory, autoimmune, and infectious diseases) * Present serious 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 six months, or pregnancy * History of physical therapy treatment for low back pain or physical exercise (strength training for core muscles, Pilates, yoga) current or within the last 3 months * Retired * If have any contraindication to exercise: We will perform a pre-screening for physical activity participation at baseline using the Physical Activity Readiness Questionnaire (PAR-Q) Portuguese version to rule out any contraindication to participate in physical activity