Effect of heavy exercise on spectral baroreflex sensitivity, heart rate, and blood pressure variability in well-trained humans.

@article{Cottin2008EffectOH,
  title={Effect of heavy exercise on spectral baroreflex sensitivity, heart rate, and blood pressure variability in well-trained humans.},
  author={François Cottin and Claire M{\'e}digue and Yves Papelier},
  journal={American journal of physiology. Heart and circulatory physiology},
  year={2008},
  volume={295 3},
  pages={H1150-H1155}
}
The aim of the study was to assess the instantaneous spectral components of heart rate variability (HRV) and systolic blood pressure variability (SBPV) and determine the low-frequency (LF) and high-frequency baroreflex sensitivity (HF-BRS) during a graded maximal exercise test. The first hypothesis was that the hyperpnea elicited by heavy exercise could entail a significant increase in HF-SBPV by mechanical effect once the first and second ventilatory thresholds (VTs) were exceeded. It was… CONTINUE READING
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