AUTHOR=Wang Bingwen , Xu Lifei , Teng Peng , Nie Lin , Yue Hongwei TITLE=The effect of lumbar multifidus muscle degeneration on upper lumbar disc herniation JOURNAL=Frontiers in Surgery VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/surgery/articles/10.3389/fsurg.2024.1323939 DOI=10.3389/fsurg.2024.1323939 ISSN=2296-875X