If you're up for a very tough workout that takes everything you've got, this high-intensity program may be right for you. Started by a former gymnast and gymnastics coach, CrossFit lets you pick from ...

The high-intensity, multi-joint movements in CrossFit may help you gain muscle strength and stamina. Adding additional weight to your workouts can further increase muscle gain by adding stress to your ...

In recent years, the fitness community has found itself split into two camps: committed CrossFit loyalists and newly converted Hyrox fans (with the ultrarunners observing from afar, shaking their ...