Skip Nav
Healthy Eating Tips
Why Your Freezer Is Your Best Weight-Loss Tool
Holiday Fitness
Healthy Gifts That Keep On Giving: The Best Monthly Subscription Boxes
Holiday Fitness
A 2018 Strength-Training Challenge Anyone Can Do For a Stronger, Leaner Body

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.

Back Exercises For Women
Back and Shoulders Workout
Plank and Lunge Workout
Inner and Outer Thigh Exercises
From Our Partners
Latest Fitness
All the Latest From Ryan Reynolds