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Fractal correlation properties of heart rate variability as a marker of exercise intensity during incremental and constant-speed treadmill running

2023-12-23 sports medicine Title + abstract only
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The short-term scaling exponent of detrended fluctuation analysis (DFA1) applied to interbeat intervals may provide a method to identify ventilatory thresholds and indicate systemic perturbation during prolonged exercise. The purposes of this study were to i) confirm whether DFA1 values of 0.75 and 0.5 coincide with the gas exchange threshold (GET) and respiratory compensation point (RCP), ii) quantify DFA1 during constant-speed running near the maximal lactate steady state (MLSS), and iii) asse...

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