Altered relationship between R-R interval and R-R interval variability in endurance athletes with overtraining syndrome - Kiviniemi, A. M.; Tulppo, M. P.; Hautala, A. J.; Vanninen, E.; Uusitalo, A. L. T. (Scandinavian Journal of Medicine & Science in Sports, 2014)
Keywords: overtraining; investigation method; load duration; variability; disorder; ECG; endurance events; recovery; therapy; nervous system; Denmark; endurance sports; biological and medical sciences