Reportage on the Rossetti health centre in Nice, France. This rehabilitation centre is a hub of excellence with cutting-edge technology. Seen here, a quantified motion analysis test carried out in the Clinical Motion Analysis Unit, a technical platform enabling a better understanding of walking anomalies. 3D reconstruction on the screen of a 15-year old cerebal palsy sufferer抯 walking. He is physically retarded and has orthopedic disorders.