AUTHOR=Schweitzer Allyson M. , Fuller Daniel , Fliss Matthew D. , Mitchell Cameron J. TITLE=Perspective on strategies for matching across age and sex in physiology research: “recreationally active” is not good enough JOURNAL=Frontiers in Physiology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1517355 DOI=10.3389/fphys.2024.1517355 ISSN=1664-042X