AUTHOR=Ortigas-Vásquez Ariana , Einfeldt Ann-Kathrin , Haufe Yasmin , Utz Michael , Jakubowitz Eike , Sauer Adrian TITLE=Assessing the implementation of the REference FRame Alignment MEthod to compare differences in tibio-femoral kinematics during gait using five different marker sets JOURNAL=Frontiers in Bioengineering and Biotechnology VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2025.1530365 DOI=10.3389/fbioe.2025.1530365 ISSN=2296-4185