Energy Cost of Running Under Hypogravity in Well-Trained Runners and Triathletes: A Biomechanical Perspective. - Ueberschär, O.; Fleckenstein, D.; Warschun, F.; Walter, N.; Wüstenfeld, J. C.; Wolfarth, B.; Hoppe, M. W. (International Journal of Computer Science in Sport (Sciendo), 2019)