To keep improving your fitness, we tapped experts to reveal how to structure your training for maximum results and how long ...

Walking can also be a heart-pounding, calorie-burning workout that helps fight inactivity and its related metabolic diseases.

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push ...

A HIIT workout can be tricky to define because, at its core, it just means a string of exercises that gets your heart racing, providing a cardio boost to what would otherwise be a serviceable, but ...

Good news: starting your running journey doesn't have to require diving in head-first and sprinting for 30 minutes straight. If you’ve never been much of a runner (or you’re starting to get back into ...

Want to train like Sara Saffari? In this video, we break down Sara Saffari’s 10 essential exercises for building strength, power, and muscle definition. Whether you’re just starting your fitness ...

Statistics show 4 out of 5 Americans will have back or neck pain at some point in their life, and October is Spine Health Awareness Month. Your spine is really important, helping you stand, move, and ...

The basic principle of weight loss is straightforward: if you consume fewer calories than you burn, you’ll lose weight. In practice though, this isn’t usually so easy or simple. Alongside counting ...

The more we move, the more our muscle cells begin to make a memory of that exercise. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...