Are you ready to turn sweat into cash? In this high-stakes fitness challenge, you have one goal—burn 1,000 calories before time runs out! If you succeed, you’ll walk away with a $1,000 reward. But it ...

The Liver King’s Insane Workout Challenges Are Going Viral originally appeared on Men's Fitness. Brian Johnson, also known as the Liver King, is a vocal advocate for living a barbarian lifestyle.

Fitness Pro Superhuman Troy gets abs in seven days with a 1,000 reps daily challenge. Kennedy Center Christmas Eve jazz ...

Considering a new fitness challenge? Experts say there are benefits — but it's not for everyone. (Getty Creative) If you’re not a workout buff, is diving into a fitness fad going to be a game-changer?

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...