Bosu Ball: Understanding the Ball and Its Usage People in general may not be too familiar with Bosu Ball, but people who take care of their fitness and appearance by going to gym or exercising will be quite familiar with it. Bosu ball is considered as an exercise ball that can help the users achieve better and improved ways of exercising; that’s why it’s also called as Bosu ball exercises. With this Bosu ball core exercises, users can do lots of training that is beneficial for their back, side, upper body, and also lower body. The Bosu Ball is also easy to find and purchase so people won’t have to be confused whenever they want to have this particular ball. bosu ball