Understanding Maximum Heart Rate

Monitoring your heart rate may improve your overall health and performance, so my suggestion to anybody trying to nail down their MHR is to use multiple methods and monitor your results.

The modern fitness era has brought a host of wearable technologies that can track extraordinary amounts of biological and physiological data. Perhaps the most commonly measured variable we see today is one’s heart rate.

 

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source http://breakingmuscle.com/fitness/understanding-maximum-heart-rate