Improve core strength with the Abs Ball, an 8-ounce, two-handled ball that can be used to shape the torso. The ball is lightweight and makes exercise while traveling more accessible. The Abs Ball Kit comes with a DVD that features two 12-minute workouts instructed by Iron Man Triathlete Jonathan Roche. Buy for $40 at gaiam.com.
GAIAM, www.gaiam.com
