This study documented the effects of Galileo Training in children with OI (Osteogenesis Imperfecta) during the Cologne therapy concept “auf die Beine” on muscle function and muscle mass (10-20Hz, patient individual exercises, 10*15min./week, 6 months + 6 months follow-up). The results showed a significant growth corrected increase of muscle mass (+7%), an significant increase of leg force (+7%) and of the GMFM66 (+9%)...