The Relationship Between the Distribution of Training Intensity and Performance of Kayak and Canoe Sprinters: A Retrospective Observational Analysis of One Season of Competition Matzka, Manuel; Leppich, Robert; Holmberg, Hans-Christer; Sperlich, Billy; Zinner, Christoph; in Frontiers in Sports and Active Living (2022). 3 788108. Frontiers Media SA.
Accuracy and Systematic Biases of Heart Rate Measurements by Consumer-Grade Fitness Trackers in Postoperative Patients: Prospective Clinical Trial Helmer, Philipp; Hottenrott, Sebastian; Rodemers, Philipp; Leppich, Robert; Helwich, Maja; Pryss, R{\"u}diger; Kranke, Peter; Meybohm, Patrick; Winkler, Bernd E; Sammeth, Michael; in Journal of Medical Internet Research (2022). 24(12) e42359. JMIR Publications Toronto, Canada.
Retrospective Analysis of Training Intensity Distribution Based on Race Pace Versus Physiological Benchmarks in Highly Trained Sprint Kayakers Matzka, Manuel; Leppich, Robert; Sperlich, Billy; Zinner, Christoph; in Sports Medicine-Open (2022). 8(1) 1–12. SpringerOpen.
The integration of training and off-training activities substantially alters training volume and load analysis in elite rowers Treff, Gunnar; Leppich, Robert; Winkert, Kay; Steinacker, J{\"u}rgen M; Mayer, Benjamin; Sperlich, Billy; in Scientific reports (2021). 11(1) 1–10. Nature Publishing Group.
Establishing a cardiac training group for patients with heart failure: the “HIP-in-W{\"u}rzburg” study G{\"u}der, G{\"u}lmisal; Wilkesmann, Joana; Scholz, Nina; Leppich, Robert; D{\"u}king, Peter; Sperlich, Billy; Rost, Christian; Frantz, Stefan; Morbach, Caroline; Sahiti, Floran; others; in Clinical Research in Cardiology (2021). 1–10. Springer.
Intra-individual physiological response of recreational runners to different training mesocycles: a randomized cross-over study D{\"u}king, Peter; Holmberg, Hans-Christer; Kunz, Philipp; Leppich, Robert; Sperlich, Billy; in European Journal of Applied Physiology (2020). 1–9. Springer.
The impact of the German strategy for containment of Coronavirus SARS-CoV-2 on the training characteristics, physical activity, sleep of highly trained kayakers and canoeists: A retrospective observational study Zinner, Christoph; Matzka, Manuel; Leppich, Robert; Kounev, Samuel; Holmberg, HC; Sperlich, Billy; in Frontiers in Sports and Active Living (2020). 2 127. Frontiers.
A 4-Week intervention involving mobile-based daily 6-minute micro-sessions of functional high-intensity circuit training improves strength and quality of life, but not cardio-respiratory fitness of young untrained adults Sperlich, Billy; Hahn, Lea-Sofie; Edel, Antonia; Behr, Tino; Helmprobst, Julian; Leppich, Robert; Wallmann-Sperlich, Birgit; Holmberg, Hans-Christer; in Frontiers in physiology (2018). 9 423. Frontiers.