At the IHRSA 2011 show in Las Vegas, the Fit Test Dummies hung out with Marius Popescu, inventor of the Rope Trainer. David and Madison put themselves through some grueling workout options and see why they have become a must for gyms everywhere.
*Behind the scenes: Did you know The Biggest Loser trainers, Bob and Jillian, first spotted the Marpo Rope Trainers while filming at USMC base at Camp Pendleton? The Marines have been training with Marpo Rope Trainers since their release and they have even been incorporated into the Wounded Warrior program.
