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While HRV has become more and more popular with more devices measuring it, most people don't know what it truly it, how it's measure, how it affects you and what it tells you so that you can make changes to your training and lifestyle and get the best results possible.
Joel and I break down what HRV is, how it differs from your heart rate and how to use the data from it to let it help you improve your training and performance results.
![](https://i.ytimg.com/vi/EnVbV6HncOY/maxresdefault.jpg)