The BOSU Ball, a secret piece of exercise equipment used by a medal-winning Olympian. It sounds high-end and expensive, it’s ...

3. Enhances coordination “The dynamic nature of Bosu ball exercises improves your proprioception, which is your body's ability to sense its position in space. This enhanced coordination can lead ...

Perhaps there's one beneath your bottom right now. Certified personal trainer Derek Tresize points out, "You can do so many exercises on a ball; they're a great space- and time-saving option.