Back problems? Lie on the Pendel Balance Ball and move to and fro - without exerting yourself. The perfekt sitting ball and therapy aid for every body height because of its variable diameter of 55 to 70 cm. This ball will not roll away! The unique feature of the Pendel Balance Ball is its oval shape. Unlike standard exercise balls the Pendel Balance Ball has a greater seating area and, at the same time, more surface contact with the floor. This is an enormous advantage when used in full-body workouts as the Pendel Balance Ball doesn’t roll away! This translates to a vast number of potential applications in many areas, such as coordination, balance, functional exercises for the back and spine, fitness training, physiotherapy, occupational therapy, antenatal and postnatal exercises. What is more, it has plenty of bounce.