Inclusion Criteria for the NSLBP:  Being between the ages of 18-65, getting more than 24 points in the minimental test, having pain between the last rib and inferior gluteal region, being diagnosed with NSLBP, presence of low back pain for more than 3 months, -volunteering to participate in the study.  Inclusion criteria for the Without NSLBP group;  Being between the ages of 18-65, getting over 24 points in the minimental test, not having low back pain in the last 3 months, volunteering to participate in the study were determined.  Exclusion Criteria:  uncontrollable hypertension and heart disease, uncontrollable neurological and metabolic disease, trauma history in the last 6 months, serious musculoskeletal problem and other pathology that may adversely affect balance, severe mental involvement, lower extremity amputation, presence of nerve pressure, non-voluntary