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
Sydney Ball Sydney Ball Sydney Ball (29 October 1933 – 5 March 2017) was an Australian abstract painter. He has been called ‘one of Australia’s leading colour abstract painters. He has also been credited with bringing large scale abstract expressionist paintings, or Color Field paintings, to Australia. Sydney Ball was born in 1933 in Adelaide, South Australia. In 1962, Ball moved to New York and enrolled at the Art Students League of New York, where he studied under Theodoros Stamos. During this period Ball met and was influenced by many of "The Irascible 18", including Mark Rothko, Jackson Pollock and Willem de