AUTHOR=Bourgeois Hubert , Paradis-Deschênes Pénélope , Billaut François TITLE=Commentary: Active Preconditioning With Blood Flow Restriction or/and Systemic Hypoxic Exposure Does Not Improve Repeated Sprint Cycling Performance JOURNAL=Frontiers in Physiology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2020.00122 DOI=10.3389/fphys.2020.00122 ISSN=1664-042X