Effects of Global Postural Re-education Versus Laser-guided Exercise in Non-specific Chronic Low Back Pain

Inclusion Criteria: * Aged between 18 and 45 years. * Diagnosed with NSLBP. * Experiencing NSCLBP for ≥ 3 months and score at least 3/10 on the Numerical Pain Rating Scale (NPRS). Exclusion Criteria: * Diagnosed with a condition that hinders their ability to engage in physical exercise (e.g., uncontrolled diabetes, cardiovascular disease, orthopedic impairments; balancing problems). * Diagnosed with severe spine conditions (such as fractures, tumors, ankylosing spondylitis, or inflammatory disorders). * Diagnosed with neurological problems (such as spine nerve problems or cauda equina syndrome) * Diagnosed with mental illness or severe cognitive impairment that made it impossible to follow the PNE program. * With a physical condition that made it impossible to complete the PNE program (the timed "up and go" test had to be completed in 10 seconds at a minimum). * Receiving alternate therapy for related pathologies (myopathies and neurological diseases) that prevented them from completing the PNE program.