Forget planks — this 15-minute crunches workout sculpts your abs

This 15-minute crunches workout targets your upper abs - here's how to do it, and the benefits of adding it to your workout
This 15-minute crunches workout targets your upper abs - here's how to do it, and the benefits of adding it to your workout

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The Perfect 15-Minute Ab Workout

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Forget crunches — you just need this four move workout to build a stronger core and sculpt

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