AUTHOR=Chang Liyang , Zheng Yujuan , Ding Yan , Long Zhiqiao , Zhang Hongmei TITLE=Nonleisure-time physical activity as a protective factor against sarcopenia in hemodialysis patients: a prospective cohort study JOURNAL=Frontiers in Nutrition VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1517429 DOI=10.3389/fnut.2025.1517429 ISSN=2296-861X