Neuromuscular Inhibition vs Muscle Energy Techniques With Core Exercises in Mechanical Low Back Pain

Chronic Mechanical Low Back Pain

Chronic mechanical low back pain, Integrated neuromuscular inhibition technique, Respiratory muscle strength, Core stabilization exercises, Muscle energy technique

Chronic mechanical low back pain (CMLBP) is a common clinical problem that affects physical function, spinal mobility, and quality of life. Manual therapy techniques such as Integrated Neuromuscular Inhibition Technique (INIT) and Muscle Energy Technique (MET) are frequently used in clinical practice to reduce pain and improve function. Core stabilization exercises (CSE) have also been reported to enhance spinal stability and neuromuscular control. However, limited evidence exists comparing the combined effects of these manual therapy techniques with core stabilization exercise on clinical outcomes in individuals with CMLBP. This randomized controlled clinical study aims to compare the effects of CSE combined with INIT and CSE combined with MET on pain intensity, functional disability, lumbar range of motion, psychosocial status, muscle endurance, and quality of life in adults with chronic mechanical low back pain. Participants will be randomly assigned to one of two groups: (1) CSE + INIT or (2) CSE + MET. Each group will receive treatment two times per week for six weeks. Pain severity, functional status, lumbar mobility, patient-reported outcomes, and muscle endurance will be assessed at baseline, immediately after the intervention, and at follow-up. The results of this study will help determine whether INIT or MET provides additional benefit when combined with core stabilization exercise for improving symptoms and function in individuals with chronic mechanical low back pain.

Chronic mechanical low back pain (CMLBP) is one of the most prevalent musculoskeletal disorders worldwide. It is characterized by pain originating from the lumbar spine or surrounding structures without a specific underlying pathology. The condition often results in pain, functional disability, reduced spinal mobility, impaired muscle performance, and psychosocial effects, which can negatively influence quality of life. Manual therapy modalities are commonly used in rehabilitation to alleviate symptoms and improve mobility in individuals with CMLBP. The Integrated Neuromuscular Inhibition Technique (INIT) is a multimodal approach that includes strain-counterstrain, trigger point release, and muscle energy technique to reduce muscle tension, deactivate tender points, and improve neuromuscular balance. Muscle Energy Technique (MET) is an osteopathic manual therapy approach that uses voluntary muscle contractions against resistance to relax hypertonic muscles, increase joint mobility, and reduce pain. Both techniques are frequently used in practice, yet their comparative effectiveness when combined with core stabilization exercise remains unclear. Core Stabilization Exercises (CSE) focus on enhancing the strength, endurance, and motor control of the deep spinal stabilizing muscles. They are widely recommended to improve spinal stability, decrease pain, and enhance function in individuals with CMLBP. This randomized controlled study aims to evaluate and compare the effectiveness of CSE combined with INIT versus CSE combined with MET on multiple clinical outcomes in individuals with CMLBP. Participants who meet the inclusion criteria will be randomly assigned to one of two intervention groups: CSE + INIT Group: will receive integrated neuromuscular inhibition techniques along with core stabilization exercises. CSE + MET Group: will receive muscle energy techniques along with core stabilization exercises. Both groups will receive treatment twice weekly for six weeks. Outcome measures will include: Pain intensity (e.g., Visual Analog Scale) Functional disability (e.g., Oswestry Disability Index) Lumbar range of motion Muscle endurance Psychosocial status Quality of life Assessments will be conducted at three time points: baseline, post-treatment, and follow-up. The primary hypothesis is that both treatment approaches will lead to improvements in pain and function, but the combination of CSE with INIT may demonstrate superior outcomes compared to CSE with MET. The findings of this study will provide valuable knowledge to clinicians regarding optimal manual therapy integration with exercise for individuals with chronic mechanical low back pain. This may contribute to evidence-based clinical decision-making and improved patient outcomes.

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