Balance Boards Can Be Great Fitness Tools—If You Use Them Right Too many guys use these stability tools for daredevil stunts in the gym. Here's what to do instead.

Twist boards, or balance boards, are pretty simple gadgets that some people like to use for fitness or just for fun. We look at what they can and can't do for your fitness goals and waistline.

Gaiam Evolve Balance Board The Gaiam Evolve Balance Board ($80) is perfect for any standing desk. Its low-impact movement targets back, core, leg, and ankle muscles to help you stay fit.

If you sit a lot -- and most of us who work with computers do -- you owe it to yourself to check out the US$99.99 BalanceBall Chair from Gaiam (www.gaiam.com). The balance ball chair provides core ...