Monitoring and adapting endurance training on the basis of heart rate variability monitored by wearable technologies: A systematic review with meta-analysisPeter Düking, Billy Sperlich, Christoph Zinner et al.|Journal of science and medicine in sport|2021Cited by 58
Individual versus Standardized Running Protocols in the Determination of VO2max.Paula F Sperlich, Billy Sperlich, Christoph Zinner et al.|PubMed|2015Cited by 39
Predefined vs data‐guided training prescription based on autonomic nervous system variation: A systematic reviewPeter Düking, Billy Sperlich, Hans‐Christer Holmberg et al.|Scandinavian Journal of Medicine and Science in Sports|2020Cited by 31
Relationship between core strength and key variables of performance in elite rink hockey players.Matthias Hoppe, Billy Sperlich, J. Freiwald et al.|PubMed|2015Cited by 25
Strength, Endurance, Throwing Velocity and in-Water Jump Performance of Elite German Water Polo PlayersChristoph Zinner, Joachim Mester, Billy Sperlich et al.|Journal of Human Kinetics|2015Cited by 22