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https://illnesstoultra.com - What is Heart Rate Variability? Heart rate variability (HRV) is the measurement of time between heartbeats, named the R-R interval. Results which are more variable gives a higher HRV and vice-versa. Most people will know their resting heart rate, or at least understand what heart rate represents. But it may come as a surprise that … Continue reading Using Heart Rate Variability as a Tool For Running
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