What if we told you that all you needed to sculpt flatter abs was a single dumbbell? Believe it. This circuit workout will target your core in ways you never knew possible.
The best part: You won't find any traditional abs moves here. No crunches required! With moves like the goblet squat and dumbbell swing, your abs will be challenged in totally new ways. (Score more fat-blasting workout moves with Women's Health's Ignite routine by 2015 Next Fitness Star Nikki Metzger!)
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Complete the circuit three to four times, with as little rest as possible between each set. Then prepare to say hello to a newly chiseled core.
