Inclusion Criteria:  Non-specific chronic low back pain patients, without lower limb pain Pain lasting 6 months or more Pain measure of 2 or more on a 0 to 10 scale Age between 18-65 years old Haven't received physical therapy during last month  Exclusion Criteria:  Radiculopathy Neurological signs, symptoms or deficit Rheumatic/autoimmune/systemic disease History of fracture, trauma or previous spinal surgery Pregnancy Disc herniation Neuropathic pain Active cancer Spondylolysis/Spondylolisthesis Cognitive impairment Long-term opioid intake