The ‘C-Crunch Rock’ fires up your obliques in seconds.

Here’s how to do it, according to Keoni Hudoba, creator of COREntine.

Im an Exercise PhysiologistHeres Why You Shouldnt Worry About Cortisol Spikes When You Do HIIT Workouts.

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Elliptical vs Treadmill: Which Cardio Machine Is Right For You?

Does Rowing Count as Strength Training?

Like rolling like a ball, the C-Crunch Rock requires full-body control.

woman sweating in the gym

NYC-based trainer and co-founder and creator of Cyc Fitness

Without it, your ball certainly wont be rolling.

Heres how Hudoba says to go about it.

Does Dancing Count as Cardio?

Woman walking on a treadmill at the gym.

Heres What Experts Say

Glute Bridge vs Hip Thrust: Which Is The Better Booty Booster?

Im a Master TrainerHeres Why You Shouldnt Skip Your Post-Run Stretches.

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Full body female athlete in sportswear using rowing machine during fitness workout in gym.

Happy woman dancing and listening to music near a green empty wall outdoor in the city.

Healthy female training in the gym, performing a hip thrust.

A young black woman doing post-run stretches in the park on the road amidst green grass and trees.