Original ResearchPublished 26 August 2026Effect of sarcopenia and paraspinal muscle morphology on conservative treatment outcomes in lumbar spinal stenosis: a prospective cohort studyZhangmeng Xu · Tao Xu · Jing Guo · Jinshun Zou · Jiajia Luo · Fan Chen · Xin Zhang · Ji WuFrontiers in Agingdoi 10.3389/fragi.2026.1913710