Fractal Correlation Properties of Heart Rate Variability: A New Biomarker for Intensity Distribution in Endurance Exercise and Training Prescription?
Please always quote using this URN: urn:nbn:de:bvb:20-opus-212429
- Exercise and training prescription in endurance-type sports has a strong theoretical background with various practical applications based on threshold concepts. Given the challenges and pitfalls of determining individual training zones on the basis of subsystem indicators (e.g., blood lactate concentration, respiratory parameters), the question arises whether there are alternatives for intensity distribution demarcation. Considering that training in a low intensity zone substantially contributes to the performance outcome of endurance athletesExercise and training prescription in endurance-type sports has a strong theoretical background with various practical applications based on threshold concepts. Given the challenges and pitfalls of determining individual training zones on the basis of subsystem indicators (e.g., blood lactate concentration, respiratory parameters), the question arises whether there are alternatives for intensity distribution demarcation. Considering that training in a low intensity zone substantially contributes to the performance outcome of endurance athletes and exceeding intensity targets based on a misleading aerobic threshold can lead to negative performance and recovery effects, it would be desirable to find a parameter that could be derived via non-invasive, low cost and commonly available wearable devices. In this regard, analytics conducted from non-linear dynamics of heart rate variability (HRV) have been adapted to gain further insights into the complex cardiovascular regulation during endurance-type exercise. Considering the reciprocal antagonistic behavior and the interaction of the sympathetic and parasympathetic branch of the autonomic nervous system from low to high exercise intensities, it may be promising to use an approach that utilizes information about the regulation quality of the organismic system to determine training-intensity distribution. Detrended fluctuation analysis of HRV and its short-term scaling exponent alpha1 (DFA-alpha1) seems suitable for applied sport-specific settings including exercise from low to high intensities. DFA-alpha1 may be taken as an indicator for exercise prescription and intensity distribution monitoring in endurance-type sports. The present perspective illustrates the potential of DFA-alpha1 for diagnostic and monitoring purposes as a “global” system parameter and proxy for organismic demands.…
Author: | Thomas Gronwald, Bruce Rogers, Olaf Hoos |
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URN: | urn:nbn:de:bvb:20-opus-212429 |
Document Type: | Journal article |
Faculties: | Zentrale Einrichtungen / Sportzentrum |
Language: | English |
Parent Title (English): | Frontiers in Physiology |
ISSN: | 1664-042X |
Year of Completion: | 2020 |
Volume: | 11 |
Article Number: | 550572 |
Source: | Frontiers in Physiology 2020, 11:550572. doi: 10.3389/fphys.2020.550572 |
DOI: | https://doi.org/10.3389/fphys.2020.550572 |
Dewey Decimal Classification: | 6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 613 Persönliche Gesundheit und Sicherheit |
Tag: | HRV; autonomic nervous system; detrended fluctuation analysis; endurance exercise; endurance training; intensity distribution; intensity zones; polarized training |
Release Date: | 2021/03/09 |
Date of first Publication: | 2020/09/18 |
Open-Access-Publikationsfonds / Förderzeitraum 2020 | |
Licence (German): | CC BY: Creative-Commons-Lizenz: Namensnennung 4.0 International |