Lumbar Spinal Stenosis and Central Sensitization

This study is investigating "central sensitization" — a condition where the nervous system becomes extra sensitive to pain signals — in people with lumbar spinal stenosis, a narrowing of the spinal canal in the lower back that causes pain and walking difficulty. **You may be eligible if...** - You are between 45 and 80 years old - You have been diagnosed with lumbar spinal stenosis confirmed by MRI - You have had lower back or leg pain lasting at least 3 months - You are willing to participate **You may NOT be eligible if...** - You have a serious neurological disease (e.g., Parkinson's, MS, stroke/hemiplegia) - You had lumbar spine surgery in the past year - You have cancer affecting the spine or active cancer elsewhere - You have significant joint disease in your legs or prior lower limb surgery - You have a psychological disorder or peripheral vascular disease - You are unable to cooperate with the study procedures Talk to your doctor to see if this trial is right for you.