heart rate and HRV

The Ultimate Primer on HRV and Heart Rate

A little over 20 years ago, I was first introduced to heart rate variability. It absolutely blew my mind. At that time, there was no fitness tech. No Fitbit. No Apple Watch. No mobile apps. I had never...

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how to improve your conditioning

How to Improve Your Conditioning

  Having bad conditioning sucks. Gasping for breath, knowing you have nothing left in the tank feels terrible. Especially when there’s a game, title, or competition on the line. So, I’m not surprised that I get...

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3 Ways to Fix Heart Rate Training

Back in 2008, I convinced Polar to give me one of their Polar Team 2 heart rate monitoring systems in exchange for helping to spread the word about how to use heart rate monitoring with...

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