Spice up your Winter workouts with a chair. Yes, a chair. It's the only prop you need to work your entire body, and we're certain you have a stable chair to test out these moves from Madonna's trainer Nicole Winhoffer. This is a no-excuses, do-anywhere workout that will get your heart rate up and tone your abs, legs, arms, and back. Watch this video to learn four fun moves straight from the Addicted to Sweat DVDs created for Madonna's Hard Candy Fitness Clubs.