'Biggest Loser' shares exercise, eating tips

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PHOENIX -- Shedding an incredible 220 pounds, John Rhode of Mesa won season 12 of NBC's "The Biggest Loser."

On Wednesday, Rhode, who is training to run the Phoenix Marathon, stopped by "Good Morning! Arizona" Wednesday to share some exercise and eating tips with 3TV's Scott Pasmore, even challenging him to pick up a jump rope do double unders on liveTV. In a suit.

It's a tricky maneuver to do two rotations of the rope with one jump. How did Pasmore do? Watch the video above to see for yourself.