Key result
Detrended fluctuation analysis of heart rate variability (DFA-alpha1) shows potential as a non-invasive biomarker for monitoring internal load and demarcating low-intensity endurance exercise zones.
Why the study?
Determining individual training zones from subsystem indicators faces challenges, creating a need for non-invasive, low-cost wearable alternatives to delineate intensity distribution in endurance sports.
Design
Perspective
Authors
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DFA-alpha1 from HRV may simplify endurance intensity zoning; leaves open prospective validation before clinical adoption.
Detrended fluctuation analysis of heart rate variability (DFA-alpha1) is proposed as a non-invasive biomarker for monitoring exercise intensity distribution in endurance sports.
Gronwald et al. (2020) conducted a review in Endurance exercise and training prescription. Detrended fluctuation analysis of HRV (DFA-alpha1) vs. Traditional threshold concepts (lactate, ventilatory thresholds) was evaluated. Detrended fluctuation analysis of heart rate variability (DFA-alpha1) shows potential as a non-invasive biomarker for monitoring internal load and demarcating low-intensity endurance exercise zones.
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