Cardiac parasympathetic regulation: respective associations with cardiorespiratory fitness and training load.
Cardiac parasympathetic regulation: respective associations with cardiorespiratory fitness and training load.
M. Buchheit,C. Gindre
2006 · DOI: 10.1152/AJPHEART.00008.2006
American Journal of Physiology. Heart and Circulatory Physiology · 328 Citations
TLDR
Results indicate that vagal-related HRV indexes are related more to cardiorespiratory fitness, whereas HRR appears to be better associated with training load.