When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images A sweaty, rewarding workout session isn’t guaranteed, it’s earned — usually.

We all want simple workouts that deliver results, and that's why the 21-15-9 format has become a staple in high-intensity functional fitness. Originally a CrossFit workout, it involves completing one ...

Grab your barbell and try this muscle-torching three-move workout to build and strengthen your legs, glutes and core. The squat session comes from none other than CrossFit Games athlete and Fittest ...

Few fitness trends have experienced as meteoritic a rise in as short a period of time as has CrossFit. First entering the scene when it was founded by Greg Glassman and Lauren Janai in 2000 in ...