Determinants of endurance in well-trained cyclists A real-time system for monitoring of cyclists and pedestrians A Real-Time System for Monitoring of Cyclists and Pedestrians Heart rate and performance parameters in elite cyclists: a longitudinal study. Cardiac structure and function in cyclists and runners. Comparative echocardiographic study. Peak power output predicts maximal oxygen uptake and performance time in trained cyclists. Noninvasive assessment of seasonal variations in cardiac structure and function in cyclists. Effects of heat stress on physiological responses and exercise performance in elite cyclists Sinus node disease and arrhythmias in the long-term follow-up of former professional cyclists Skeletal muscle buffering capacity and endurance performance after high-intensity interval training by well-trained cyclists