This study aims to develop a new instrument capable of providing an efficient measure of the quality of life of parents of conservatively treated patients with spinal deformity. The development of a questionnaire in a Rasch environment and specifically developed for parents of conservatively treated patients will ensure greater sensitivity and specificity of the questionnaire.

Inclusion Criteria:

• have at least one child between the ages of 10 and 18 with adolescent idiopathic scoliosis of 10 degrees or more, or with Scheuermann's kyphosis or idiopathic hyperkyphosis
• prescription of a brace or specific exercises for the child's vertebral deformity.

Exclusion Criteria:

• Child with a history of spinal surgery
• Child with a history of significant diseases with possible impact on the quality of life of the parents
• Child with a history of spinal trauma
• Child with positive neurological evaluation

Parents of adolescents with spinal deformities treated in a tertiary referral outpatient center.