Who doesn't love plank and all the benefits that can be reaped from one simple move? It not only tones you all over, but doing planks regularly makes for a strong core and flat abs. And the variations of this classic exercise are endless. We know you don't have much time, so we've rounded up a dozen variations in a short video — it's only 60 seconds. So give us a minute and learn some of our favorite ways to plank, and then add some to your next workout.
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