Exercise ball Exercise ball An exercise ball, also known as a Swiss Ball, is a ball constructed of soft elastic with a diameter of approximately 35 to 85 centimeters (14 to 34 inches) and filled with air. The air pressure is changed by removing a valve stem and either filling with air or letting the ball deflate. It is most often used in physical therapy, athletic training and exercise. It can also be used for weight training. The ball, while often referred to as a Swiss ball, is also known by a number of different names, including balance ball, birth ball, body
Beach ball Beach ball A beach ball is an inflatable ball for beach and water games. Their large size and light weight take little effort to propel; they travel very slowly and generally must be caught with two hands. They became popular in the beach-themed films of the 1960s starring Annette Funicello and Frankie Avalon. These movies include "Beach Party", "Muscle Beach Party", "Beach Blanket Bingo" and "How to Stuff a Wild Bikini". Beach balls range from hand-sized to over across or larger. They generally have a set of soft plastic panels, with two circular end panels, one with an oral inflation