BLISTERS AND BLACK TOENAILS

What I've Tried: Heart Rate Variability Monitoring

If you've seen my IG stories then you will have seen snippets of me talking about HRV.  What exactly is HRV?  HRV stands for heart rate variability and it is the variation in time from one heart beat to another.   I'm sure you're now wondering why you should care about it.  Well....I'm going to get up on my heart rate training soapbox now and tell you why.

Despite how good exercise makes us feel,...