A new type of ball has been invented. It's called the OsteoBall. Remarkably, you can now build upper/lower body strength rapidly and increase bone density — simultaneously. Top health professionals and fitness organizations trust OsteoBall because it is clinically proven to be both safe and effective.
“It is easy to use and does not take up much space. I will say too that it gives a pretty good workout!”
– Marcia E., Boulder, CO