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 ...

Low-intensity cardio—sometimes called LISS or “zone 2”—is a previously-underrated form of exercise. It’s finally coming back ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

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 ...

Here are all the ways to find the right fitness wearable for you, and how to make the most of the data it can offer. This post is part of Find Your Fit Tech, Lifehacker's fitness wearables buying ...

In the ever-evolving world of fitness, few approaches have garnered as much scientific support and real-world results as Zone 2 training. This cardiovascular sweet spot, characterized by moderate, ...

You likely know the importance of zone 2 training—low-intensity miles that are the foundation of distance running plans. The challenge? Finding your personal zone 2 range, and sticking to it. That’s ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I first started running seriously, I thought I had to be out of breath and dripping sweat with my ...