Bob Harper: Ultimate Cardio Body - 2 10-minute Glute Challenge (2010)

Key combinations of small-range motion and core strength work to micro-target your glutes for an essential workout in 10 minutes flat. Slow and controlled movements isolate the lower half to blast fat and refine muscle tone in fundamental regions of the body. Think glutes and feel the burn long after you've completed this vigorous 10-minute workout.