Ultra-shortened time-domain HRV parameters at rest and following exercise in athletes : an alternative to frequency computation of sympathovagal balance
Gespeichert in:
| Deutscher übersetzter Titel: | Ultra-verkürzte HRV-Parameter in der Erholung und nach dem Training bei Sportlern : eine Alternative zur Frequenzberechnung des sympathovagalen Gleichgewichts |
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| Autor: | Esco, Michael R.; Williford, Henry N.; Flatt, Andrew A.; Freeborn, Todd J.; Nakamura, Fábio Yuzo |
| Erschienen in: | European journal of applied physiology |
| Veröffentlicht: | 118 (2018), 1, S. 175-184, Lit. |
| Format: | Literatur (SPOLIT) |
| Publikationstyp: | Zeitschriftenartikel |
| Medienart: | Elektronische Ressource (online) Gedruckte Ressource |
| Sprache: | Englisch |
| ISSN: | 1439-6319, 0301-5548 |
| DOI: | 10.1007/s00421-017-3759-x |
| Schlagworte: | |
| Online Zugang: | |
| Erfassungsnummer: | PU201808005665 |
| Quelle: | BISp |
Abstract des Autors
Purpose: The primary purpose of this study was to determine the accuracy of the standard deviation of normal-to-normal intervals (SDNN) to root mean square of successive normal-to-normal interval differences (RMSSD) ratio from 1-min recordings (SDNN:RMSSD1−min) compared to criterion recordings, as well as its relationship to low-frequency-to-high-frequency ratio (LF:HF) at rest and following maximal exercise in a group of collegiate athletes.
Method: Twenty athletes participated in the study. Heart rate variability (HRV) data were measured for 5 min before and at 5–10 and 25–30 min following a maximal exercise test. From each 5-min segment, the frequency-domain measures of HF, LF, and LF:HF ratio were analyzed. Time-domain measures of SDNN, RMSSD, and SDNN:RMSSD ratio were also analyzed from each 5-min segment, as well as from randomly selected 1-min recordings.
Result: The 1-min values of SDNN, RMSSD, and SDNN:RMSSD provided no significant differences and nearly perfect intra-class correlations (ICCs ranged from 0.97 to 1.00, p < 0.001 for all) to the criterion measures from 5-min recordings. In addition, SDNN, RMSSD, and SDNN:RMSSD from the 1-min segments provided very large to nearly perfect correlations (r values ranged from 0.71 to 0.97, p < 0.001 for all) to LF, HF, and LF:HF, respectively, at each time point.
Conclusion: The findings of the study suggest that ultra-shortened time-domain markers may be useful surrogates of the frequency-domain parameters for tracking changes in sympathovagal activity in athletes.