Sure, you can use commercial breaks for quick trips to the fridge. But those 15-plus minutes of ad time per hour are a great opportunity to burn calories. The moves below require no special equipment—just the floor space in front of your TV.
By Polly Brewster
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"This move is meant to work your core, but it's amazing for your upper body," says Wright. Using your elbows and forearms to support yourself, hold a push-up position for 30 seconds; work up to two minutes.