Transcutaneous Electrical Nerve Stimulation (TENS) for the Treatment of Low Back Pain (LBP) in Adults
Trial Parameters
Brief Summary
The goal of this clinical trial is to assess the effects and safety of transcutaneous electrical nerve stimulation (TENS) in adults with myofascial low back pain. Eligible participants will receive TENS treatment 5 times per week for 4 weeks. Pain intensity and functional outcomes will be assessed at baseline and weekly during the 4-week treatment period, and adverse events will be recorded.
Eligibility Criteria
Inclusion Criteria: 1. Adults aged 18-65 years 2. Diagnosis consistent with myofascial low back pain (localized low back pain with a palpable taut band; referred pain and/or sensory changes near a specific trigger point; an identifiable tender spot within the taut band; mild muscle weakness and/or some limitation of joint range of motion) 3. Mild pain intensity at baseline (VAS \< 4 on a 0-10 scale) 4. Symptom duration \> 1 month 5. Able to understand the study procedures and demonstrate good compliance/cooperation 6. Written informed consent provided Exclusion Criteria: 1. Low back pain due to other causes, including but not limited to lumbar disc herniation, lumbar spinal stenosis, ankylosing spondylitis, spinal tumor, spinal tuberculosis, or spinal infection 2. Received physical therapy, interventional procedures, or medication treatment within 4 weeks prior to enrollment that may affect pain or function assessment 3. Systemic disease or organ dysfunction 4. Skin/soft tissue breakdo