Fitness ball or Gym ball

A fitness ball is a silicone inflatable ball. A fitness ball or gym ball is often used for people with back problems. Also for people with pelvic instability use the Gymbal or fitness ball. on the social channels you will find various exercises with this fitness ball. Fitness balls come in various colors and different diameters. Before you purchase a fitness ball, be well informed by, for example, a physiotherapist.