"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." An exercise ball is a simple, inexpensive way to take your workouts to the next level. This fitness tool ...

If you’re feeling motivated to get in shape, introduce an exercise ball into your fitness routine. It’s a sound investment, especially when you consider its versatility through countless movements.

Now, before you go grabbing that pump, you’re going to want to make sure you have the right ball size on hand. To do that, all you need to know is your height. If you’re 5’5” or shorter, stick to a 55 ...

Try to beat this workout. “Cardio drumming” is all the rage — you place an exercise ball in a bucket and whack it with drumsticks to the beat of a song to burn calories, relieve stress, strengthen ...

Try five joint-friendly chair moves that engage your core and help flatten belly overhang after 50—no floor work required.