Are you a workout-warrior looking for a challenge? You've come to the right place. It's time to test your mettle and your abilities!

Each week, our fitness expert, CrossFit competitor and owner of Reebok CrossFit 5th Ave., Nathan Forster will lay out a quick and specific workout that focuses on a variety of areas: strength, speed, power, endurance and skill. Think you've got what it takes to 'One-Up' our guy? Get ready to throw-down and let's see what you got...

For this week, Forster's challenge is one of fitness' most taxing bodyweight exercises - burpees. Complete 100 repetitions as fast as possible.

> Share your score on the Men's Fitness Facebook Page

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