Core Workout with Greg Joujon-Roche - Workout Wednesday with ModernMom

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Greg Joujon-Roche, fitness trainer to the stars, shows some ways to work your core! Click below to subscribe to our channel for more great videos! Celebrity fitness trainer Greg Joujon-Roche walks us through three simple and effective work-out moves to strengthen and tone your stomach, obliques and lower back. He'll share the Accordion Crunch, Side Bridge and Superhero.