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

Each week our fitness expert, CrossFit competitor and owner of Reebok CrossFit 5th Ave., Nathan Forster, lays out a quick and specific workout focusing 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’ve got...

This week, Forster’s challenge will simultaneously burn out your upper and lower body.

> As quickly as possible, complete six rounds of 10 med-ball throws coupled with 10 med-ball slams.

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

More One-Up Challenges

Weekend One-Up: Pull-Up and Toe-to-Bar Combo>>>

Weekend One-Up: Four Moves for Speed>>>