Zone 2 training is cardio done at a steady, low intensity. It has benefits for aerobic training (so you can run faster), anaerobic training (helping you to recover faster between reps and sets, or ...

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 ...

Few would disagree that cardio, also called aerobic exercise, is good for your health. Of the 10 most common chronic diseases, seven are "favorably influenced by regular physical activity," according ...

Dr. Valerie Cholet is a Professor of Kinesiology. She earned her doctorate at Penn State University and has taught in higher education for over 20 years. Her areas of specialization include Exercise ...

For years, runners have used heart rate-based training to maximize their running potential. This method includes five “zones” at which your heart is beating at a percentage of its maximum capacity. In ...

Sometimes exercise turns out to be easier than you think. And I'm delighted to report that that's the case for Zone 2 cardio. As a professional procrastinator and all-round top-level fitness shirker, ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. It seems like everybody's in a run club ...