Medically reviewed by Katrina Carter, DPT CrossFit is a high-intensity training program that can help you lose weight and improve heart healthCrossFit workouts include a warm-up, strength or skill ...

CrossFit’s cult-like following can feel a little, um, weird sometimes. It’s strange for people to be so in love with something that most people avoid at all costs — exercise. Especially intense, ...

Greg Glassman, inventor of the CrossFit fitness system, at an affiliate gym in New York City.. Andrew Hetherington On that spring day across America, the CrossFit faithful gathered–and toiled. There ...

Much like Dungeons and Dragons, Renaissance faires, and sex parties, CrossFit is something that everyone has heard of — but few have an accurate understanding of what it entails and who it's for.

Hate it or love it, people have strong opinions about CrossFit. Devotees tout it as the best way to transform your body, while critics say there's no surer way to end up injured. Regardless, there's ...

Greg Glassman is a numbers guy. For that he thanks his father, a rocket scientist for Hughes Aircraft who was “always up my ass about science, data, and what science is and isn’t,” says Glassman, 62.

LEN NUANEZ was driving home from his post at Naval Air Station Whidbey Island one day when he saw a curious sight: people in a parking lot flipping massive tractor tires. They’d squat down, wedge ...

You’d be hard pressed to find an article — outside one written by a CrossFit enthusiast — that reviews this exercise phenomenon without asking some real tough questions about its safety, effectiveness ...