You have to sit up straight ... body as a stabilizer And those are some exercises you can do in your office or just about anywhere with the ball.

Half balls, with a rigid base and inflated top, are ideal for balance exercises and adding variety to workouts. "These are ...

Looking for the best exercise ball to boost your home workouts? Here's everything you need to know, including the ideal size, how to use them and which to buy.

Make sure that you're sitting back as if you ... If you have more than one medicine ball, you might find that you want a lighter one for some exercises and a heavier one for others.