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
Paddle-ball the court Major Area: Where the server begins serve. If the ball lands anywhere outside the major area, it’s out. Serving from middle, server must declare with side of court being served into. Serving into a minor area must be declared or it’s a fault. Paddle-ball Paddle-ball is a sport that can be played on a court half the size of a tennis court, using paddle racquets amongst two players (singles game) or in doubles with two teams consisting of two players. The Paddle-ball racquet or paddle is plastic, smaller than a softball and has holes for less air friction.