Learn how to use an exercise ball for all of your strength training needs! The FitBALL Wall Chart Set from Ball Dynamics includes 4 full-color, laminated posters that feature over 50 exercise ball exercises. The exercises cover the Upper Body,in Lower Body,in Abs, Back and Core,in and Stretching and Flexibility.in Place these helpful posters in your favorite workout spot and learn the benefits of an exercise ball for all of your fitness needs!