Exercise ball a chair because of ergonomic considerations or biomechanical reasons. This large plastic ball, known as a "birth ball", can also be used during labour to aid the descent of the fetal head into the pelvis. Sitting in an upright position will also aid fetal positioning and is more comfortable for the woman. Sitting on the ball with arms placed on a bed, table or otherwise sturdy object for support and gently rocking the hips may help the woman during contractions and aid the natural physiological process of birth. Exercise ball An exercise ball, also known as a Swiss Ball, is
Paddle ball Paddle ball Paddle ball is a one-person game played with a paddle and an attached ball. Using the flat paddle with the small rubber ball attached at the center via an elastic string, the player tries to hit the ball with the paddle in succession as many times as possible. The paddle is similar in size and shape to a table tennis racket. It is usually made from either wood or plastic, although other materials can be used. Created and patented () in the 1920s, the paddle ball was one of the more whimsical products to follow the invention of