Hunter Bennett does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...
15don MSN
The heart rate zone formula is flawed, especially for women. Here's how to rethink your training.
That tension becomes especially clear with heart rate zone training, a popular five-tier system that endurance athletes use ...
Your resting heart rate is a key sign of fitness and longevity. Improve it with 2 types of workouts.
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