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Fatigue Shifts and Scatters Heart Rate Variability in Elite Endurance Athletes

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Listed:
  • Laurent Schmitt
  • Jacques Regnard
  • Maxime Desmarets
  • Fréderic Mauny
  • Laurent Mourot
  • Jean-Pierre Fouillot
  • Nicolas Coulmy
  • Grégoire Millet

Abstract

Purpose: This longitudinal study aimed at comparing heart rate variability (HRV) in elite athletes identified either in ‘fatigue’ or in ‘no-fatigue’ state in ‘real life’ conditions. Methods: 57 elite Nordic-skiers were surveyed over 4 years. R-R intervals were recorded supine (SU) and standing (ST). A fatigue state was quoted with a validated questionnaire. A multilevel linear regression model was used to analyze relationships between heart rate (HR) and HRV descriptors [total spectral power (TP), power in low (LF) and high frequency (HF) ranges expressed in ms2 and normalized units (nu)] and the status without and with fatigue. The variables not distributed normally were transformed by taking their common logarithm (log10). Results: 172 trials were identified as in a ‘fatigue’ and 891 as in ‘no-fatigue’ state. All supine HR and HRV parameters (Beta±SE) were significantly different (P

Suggested Citation

  • Laurent Schmitt & Jacques Regnard & Maxime Desmarets & Fréderic Mauny & Laurent Mourot & Jean-Pierre Fouillot & Nicolas Coulmy & Grégoire Millet, 2013. "Fatigue Shifts and Scatters Heart Rate Variability in Elite Endurance Athletes," PLOS ONE, Public Library of Science, vol. 8(8), pages 1-9, August.
    • Handle: RePEc:plo:pone00:0071588
    DOI: 10.1371/journal.pone.0071588
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    Cited by:

    1. Paulina Hebisz & Rafał Hebisz & Agnieszka Jastrzębska, 2021. "An Attempt to Predict Changes in Heart Rate Variability in the Training Intensification Process among Cyclists," IJERPH, MDPI, vol. 18(14), pages 1-16, July.
    2. Jakub Krejčí & Michal Botek & Andrew J McKune, 2018. "Stabilization period before capturing an ultra-short vagal index can be shortened to 60 s in endurance athletes and to 90 s in university students," PLOS ONE, Public Library of Science, vol. 13(10), pages 1-12, October.

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