Try This!: Sit-ups that use momentum and get heart rate racing

Take everything you learned about the traditional sit-up and toss it out the window. Bob Harper, best known for his work on NBC's "The Biggest Loser," would like to introduce you to a new way of doing sit-ups that uses momentum to get the job done. It will also send your heart rate soaring.



via L.A. Times - Health http://ift.tt/1r61kg5