Bob Harper's CrossFit Challenge

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.
Playing Bob Harper's CrossFit Challenge
Want to get your body back? The Biggest Loser trainer Bob Harper reunites with health and wellness expert Jillian Michaels with tips to burning belly fat, toning thighs and boosting biceps.