TRX Atomic Crunch

How to do it

1. Place both feet in the TRX foot cradles and support the body in a high plank on the hands.
2. Brace the core and keep the shoulders stacked directly over the wrists throughout.
3. Drive the knees toward the chest while curling the hips upward into a crunch.
4. Squeeze the abdominals hard at the top before extending the legs back to the plank position.
5. Exhale as the knees drive in and inhale as the legs extend back out.
6. Control the straps on the return, avoiding letting the hips sag between reps.

Muscles worked

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