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One-Minute Fitness Challenge For Abs: Atomic Crunch

One-Minute Ab Workout For a Killer Core

It's time to upgrade your crunches and go atomic! This ab exercise will tone your entire abdominal wall, making it one of the most effective moves for your core. Since it is one of our favorite moves, we made a challenge out of it: see how many reps of the atomic crunch you can do in 60 seconds. Grab your mat, press play to start the timer, and get ready to feel the burn.

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