If you equate step aerobics with leg warmers and spandex, well, you’re not wrong—but you’re stuck in the 1980s version of it. As TikTok videos that have amassed millions of views show, the retro ...

Here's the superior equipment for strength, cardio, and calorie burn.

The presenter worked with coach Ellis Gatfield ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. I confess that like a ...

The term “working out” has always felt like a misnomer to me. Mainly because it suggests it should feel like work. As a certified personal trainer whose job it is to get people excited about moving, I ...

Walking is a fundamental form of locomotion, making it a crucial piece of a well-rounded movement system. But a casual stroll ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...