How to use it: Sit on or balance against this ball to perform a series of exercises aimed at toning ... How to use it: This is a kind of inflatable step machine that you step up and down on ...

However, did you know that there are beginner mistakes to avoid when using exercise balls that can easily wreck your physical activities? Stability balls are large, inflatable balls that can be ...

Once a year, at precisely 11 a.m. on the day of the Yale-Dartmouth football game, a giant inflatable exercise ball — the bladderball — would roll out of Phelps Gate and onto the streets of New Haven.