Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. Yahoo Racing is powered by Motorsport Network, providing expert reporting, analysis, and ...

Add Yahoo as a preferred source to see more of our stories on Google. And maybe step ups. But let’s be honest: Nobody wants a bulky piece of equipment that you can only do one or two things with. It’s ...

Stand facing to the side with a box to your right hip and holding a weighted medicine ball at chest level with both hands. Plant your feet, bend your knees and position your hands at hip level, one to ...

Ready to step outside your comfort zone... and up onto a plyo box? This super spicy power-building workout is tough and will challenge you in ways the most grueling long run can’t—and that’s on ...

Add Yahoo as a preferred source to see more of our stories on Google. Most gyms have plyometric boxes. They're also found in parks with public workout areas. Photo: Getty Images Building body strength ...

Other than burpees, box jumps are probably ~the~ most well-known (and most intimidating!) plyometric exercise you can do. If they give you nightmares of scraped shins, I hear you—but I also guarantee ...

Add Yahoo as a preferred source to see more of our stories on Google. Box jumps are a staple of CrossFit and group fitness classes, but is the up-and-down exercise really worth all the effort? “The ...