AUTHOR=Fleckenstein Daniel , Braunstein Hannes , Walter Nico TITLE=Faster intervals, faster recoveries - intensified short VO2max running intervals are inferior to traditional long intervals in terms of time spent above 90% VO2max JOURNAL=Frontiers in Sports and Active Living VOLUME=6 YEAR=2025 URL=https://www.frontiersin.org/journals/sports-and-active-living/articles/10.3389/fspor.2024.1507957 DOI=10.3389/fspor.2024.1507957 ISSN=2624-9367