Comparison of cross-sectional area for paraspinal muscles in patients with lumbar spinal stenosis with and without lumbar segmental instability: A retrospective cross-sectional study.
BackgroundLumbar spinal stenosis (LSS) causes nerve compression with low back pain and neurogenic claudication. Paraspinal muscles maintain lumbar stability, and coexisting lumbar segmental instability (LSI) may be associated with altered muscle morphology.ObjectiveTo compare paraspinal muscle cross-sectional area (CSA...