Jillian Michaels: 6 Week Six-Pack Workout- Level 1 is a high intensity fat-blasting abdominal workout that employs a sure-fire combination of core-focused cardio circuits and ab-toning exercises that target multiple muscle groups simultaneously to boost the metabolism, slim the waistline, and chisel rock-hard abs.

Jillian Michaels: 6 Week Six-Pack Workout- Level 1 is a high intensity fat-blasting abdominal workout that employs a sure-fire combination of core-focused cardio circuits and ab-toning exercises that target multiple muscle groups simultaneously to boost the metabolism, slim the waistline, and chisel rock-hard abs.

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