This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for your ...
When it comes to fitness, there's always something new (and fun!) to learn about – and right now, zone 2 training is a hot topic of conversation. But what actually is zone 2 training, which exercises ...
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