"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When life gets busy, it can be hard to squeeze in an endorphin-boosting workout each day (no shame!).

The session begins with a mobility-focused warm-up. In under five minutes, Mack leads you through 90-90 hip switches, world’s ...

You don’t need endless gym hours to see results. This efficient upper-body workout targets chest, back, arms, and shoulders ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images So, you have access to a pair of dumbbells and want to build muscle, but are ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A versatile move that fits into any full-body workout? The kettlebell swing. After all, some days you ...

Is there a right way to feel the burn? While the virtues of exercise are well established, the debate over the superiority of full-body workouts versus workouts targeting and exhausting specific ...