Plus, the surprising benefits of turning the intensity down a notch.

Not a drill. Not a trend. Zone zero exercise is expert-backed and driven by small, everyday movements.

Low-intensity training is great for you, no matter what your fitness-tracking gadget says.

Noticeable changes in heart rate, like a 6 to 10 percent drift, also signal aerobic decoupling, says Norris. For example, if ...

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...

Slow running has been emerging as an unexpected way to run faster over long distances. Easy, conversational-pace runs can ...

Too good to be true? Not Zone 0 exercise, the latest fitness trend that may have you questioning whether or not it’s actually doing anything. But according to one expert, while this type of exercise ...

The “zone zero” fitness trend promotes very low-intensity movement, like walking and housework. Here’s what it can — and can’t — do for you. By Danielle Friedman When you’re exhausted, burned out or ...

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Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. When you track a ...