Evaluation of Stabilization Training With Biofeedback in Lumbosacral Spine Pain Syndrome

Inclusion Criteria: * Diagnosed chronic lumbosacral spine pain syndrome (score \>4 on the Keele STarT Back Screening Tool) * Lumbosacral pain intensity \>3 on the Visual Analog Scale (VAS) persisting for at least the past 3 months * Age between 30 and 65 years * No concurrent participation in another rehabilitation program * Provision of written informed consent to participate in the study Exclusion Criteria: * Acute phase of lumbosacral spine pain syndrome * Presence of neurological symptoms such as paresthesia, dysesthesia, impaired superficial sensation, impaired pain sensation, muscle strength below grade 3 on the Lovett scale in the lower limbs, sphincter dysfunction, or cauda equina syndrome * Recent fractures of the spine or pelvis (less than 6 months since injury) * Segmental instability confirmed by functional X-ray or magnetic resonance imaging (MRI) * Spondylolisthesis greater than Grade I according to the Meyerding classification * Coexisting neurological (e.g., Parkinson's disease, neuropathies), autoimmune (e.g., ankylosing spondylitis), orthopedic (lower limb disorders), or oncological diseases * Pregnancy * Active use of analgesic or anti-inflammatory pharmacotherapy (e.g., steroids, NSAIDs) * Concurrent participation in other rehabilitation programs or failure to complete the 8-week therapy program * Completion of any structured rehabilitation program within the past 3 months * Lack of informed consent to participate in the study