AUTHOR=Li Siu Nam , Peeling Peter , Scott Brendan R. , Peiffer Jeremiah J. , Shaykevich Alex , Girard Olivier TITLE=Automatic heart rate clamp: A practical tool to control internal and external training loads during aerobic exercise JOURNAL=Frontiers in Physiology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2023.1170105 DOI=10.3389/fphys.2023.1170105 ISSN=1664-042X