Most of us know the feeling of lacing up our running shoes, dragging ourselves to the gym or diving into a pool of water and wondering how much bang we're really getting for our buck. Whether aiming ...

Research shows this simple routine can rapidly improve endurance and health — no gym required. The 7-minute workout is the ideal way to get fit: It’s fast, efficient and fun. It also builds endurance, ...

This article is part of CNN Underscored’s The Reset, an editorial package featuring all our articles aimed at giving you the information and product recommendations to help achieve any and all New ...

Is your workout too easy? Challenge yourself to get more fit and age better. The more you exercise, the easier it gets. That’s why, at some point, you may need to power up your workouts. It’s ...

I first tried the Norwegian 4x4 workout a year ago, and since then, it has become a staple of my fitness routine. I don't do it every week (some folks do), but it's a workout I keep returning to ...

World Athletics is set to introduce cheek swabbing tests to establish whether an athlete should be eligible to compete in its female competitions, its president, Lord Sebastian Coe, said Tuesday. The ...