Adidas Fitball

An exercise ball should provide the perfect amount of support and instability, if the ball is too hard or too soft the effect on your workout will be affected. Gym balls are generally one of the most versatile but also cheapest fitness accessories around. The ball is available in 55cm, 65cm and 75cm diameters and should always be selected to suit your body size.

The optimal ball size can be tested when the legs, sitting on the ball, form a 90 degree angle. Suitable for sit-ups, as well as various back and stretching exercises - the Adidas Gymball is an absolute must for every fitness enthusiast. An air pump is included.,An exercise ball should provide the perfect amount of support and instability, if the ball is too