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European Journal of Applied Physiology

, Volume 118, Issue 6, pp 1287–1288 | Cite as

Make it easier! Evaluation of the ‘vagal-sympathetic effect’ in different conditions with R–R intervals monitoring

  • André R. Medeiros
  • Scott Michael
  • Daniel A. Boullosa
Letter to the Editor

Abbreviations

HR

Heart rate

HRV

Heart rate variability

HF

High frequency

LF

Low frequency

LF/HF

LF-to-HF ratio

RMSSD

Root mean square of successive normal R–R interval differences

SDNN

Standard deviation of normal R–R intervals

SDNN/RMSSD

SDNN-to-RMSSD ratio

Notes

Author contributions

All authors contributed equally on the conception and writing of this letter. All authors read and approved the final manuscript version.

Funding

ARM (UC17351170) enjoys a PROSUP scholarship Grant from CAPES. DAB enjoys a productivity research Grant from CNPq (305131/2015-0).

References

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  3. Esco MR, Williford HN, Flatt AA, Freeborn TJ, Nakamura FY (2018) Ultra-shortened time-domain HRV parameters at rest and following exercise in athletes: an alternative to frequency computation of sympathovagal balance. Eur J Appl Physiol 118:175–184.  https://doi.org/10.1007/s00421-017-3759-x CrossRefPubMedGoogle Scholar
  4. Goldberger JJ (1999) Sympathovagal balance: how should we measure it? Am J Physiol 276:H1273-80PubMedGoogle Scholar
  5. Michael S, Graham KS, Davis GM (2017) Cardiac autonomic responses during exercise and post-exercise recovery using heart rate variability and systolic time intervals—a review. Front Physiol 8:301.  https://doi.org/10.3389/fphys.2017.00301 CrossRefPubMedPubMedCentralGoogle Scholar
  6. Sacha J (2014) Interplay between heart rate and its variability: a prognostic game. Front Physiol 5:347.  https://doi.org/10.3389/fphys.2014.00347 CrossRefPubMedPubMedCentralGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Post-graduate Program in Physical EducationCatholic University of BrasiliaÁguas ClarasBrazil
  2. 2.Centre for Human and Applied PhysiologyUniversity of WollongongWollongongAustralia
  3. 3.Sport and Exercise Science, College of Healthcare SciencesJames Cook UniversityTownsvilleAustralia

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