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

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

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

A healthy dose of cardio is an important part of your exercise routine, and for a lot of us, "zone 2" cardio is going to make ...

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 ...

Zone 2 cardio rate training means working in one of five heart rate zones at 60-70% of your max heart rate. “Zone 2 is where the magic happens—your body is optimized to go longer at a more manageable ...

"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 ...

Training for a specific goal race is a great way for runners to maintain focus and build fitness. As you complete race-specific workouts, your body becomes stronger and you get closer to achieving ...

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 ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? When I first started running seriously, I thought I had to be out of breath ...