AUTHOR=Zhou Shuyi , Ma Ruisi , Hu Wangjing , Zhang Dandan , Hu Rui , Zou Shengwei , Cai Dingyi , Jiang Zikang , Ding Hexiao , Liu Ting TITLE=Voice as a sensitive biomarker for predicting exercise intensity: a modelling study JOURNAL=Frontiers in Physiology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2025.1483828 DOI=10.3389/fphys.2025.1483828 ISSN=1664-042X