The regular use of Original Pezzi® Activa Disc helps tone trunk and abdominal muscles without strain or effort. It serves as prevention of leg injuries. The Original Pezzi® Activa Disc are ideal in preparation for group sports, proprioceptive exercises and equilibrium in postural gymnastics as well as rehabilitation in physiotherapy treatment of ankle pathologies. The level of inflation of this item is up to the discretion of the educator or user. Can be used on the chair. The Original Pezzi® Activa Disc standard is available in 2 diameters: ø 30 cm Junior (yellow) - ø 40 cm (blue). Each Original Pezzi® Activa Disc comes with a complete guide of exercises in 6 languages.