According to celeb trainer Gunnar Peterson, the secret to awesome abs is “working consistently, working in different planes of motion, and adding weights to your abdominal work.” Here are a handful of ab exercises that put these principles into action using a set of dumbbells, a medicine ball, or a couple of handy weight substitutes like water bottles or cans of food. Incorporate a few of these exercises into your next workout to really kick your abs into action right at home.
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