The plank is a more effective core exercise than the crunch or sit up. stealthbodyfitness.com/2017/04/28/ath…

Holding plank position helps to lengthen the arches of the feet and hamstrings. Stretching helps to warm the tendons stealthbodyfitness.com/2017/04/28/ath…

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Learn what 5 things will happen when you do plank exercises on the Stealth Core Trainer. stealthbodyfitness.com/2017/06/19/5-t……rainer-every-day/

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When you plank on Stealth, you'll experience: A STRONGER BACK AND BETTER POSTURE stealthbodyfitness.com/2017/06/19/5-t……rainer-every-day/

The Stealth Core Trainer allows you to do planks at EVERY angle creating the safest most effective core workout.

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The new Stealth Core Trainer turns boring planks into a fun dynamic workout. #StealthBodyFitness #GameYourCore stealthbodyfitness.com

Planking on Stealth will challenge your entire body, which helps you burn more calories than traditional sit-ups or stealthbodyfitness.com/2017/06/19/5-t…

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Both Harvard Medical School and the U.S. Army agree that holding the plank is better than doing crunches. stealthbodyfitness.com

Experts agree that Stealth dynamic planking is better than static planking.

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Stealth's dynamic motion is more challenging than static planks stealthbodyfitness.com

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