ABS OF STEEL Trim, tone, define, shed inches, sculpt lean sexy 6 pack abs. Boost calorie & fat burn. Intense, shorter workouts with rock hard ab toning methods such as athletic core training, yoga, & Pilates. Several of the sessions even increase the heart rate and boost the calorie burn! Variations are shown to allow you to work at a mild, intense, or ultimate pace depending on your fitness level or how you feel from workout to workout. Equipment needed: Exercise mat or carpet, chair.