Orangetheory Fitness: The Plank Marc & Mandy Coaches Ian Smith and Stephanie Garneau from Orangetheory Fitness show how to do the plank. Related videos Helpful Tips for Dental Trips Orangetheory Fitness Tips: Lateral Raise Wellness Fix at Synapse Health Wellness Fix at Milestones Therapy Orangetheory Fitness Tips: Bosu Ball Side to Side Push-Up Holiday Wellness Fix: Warm Vibes Custom Candles