Inclusion Criteria:  Idiopathic adolescent scoliosis and/or dorsal hyperkyphosis, age under 16 years at the start of observation, brace prescription for more than 18 hours/day, availability of radiographs of the entire spine while standing and in brace radiographs at 1 month or out of brace at 5 ± 2 months at the end growth after 48 hours without brace and at 1 year. availability of compliance data Risser between 0 and 4 at first assessment  Exclusion Criteria:  All secondary causes of scoliosis history of spinal fusion surgery lack of one of the radiographic examinations required by the protocol