Prevalence of disabling musculoskeletal pain in children and adolescents in Brazil: A cross-sectional study.

Background: Estimates of prevalence of musculoskeletal pain in children and adolescents vary considerably and the impact of pain on children's life is often not considered.

Objective: To determine the one-month prevalence of disabling musculoskeletal pain in children and adolescents. The secondary aims are to: 1) determine the body region with the highest prevalence; 2) understand the characteristics of the children with disabling musculoskeletal pain; and 3) describe the parents' perception of the prevalence.

Three in Every 10 School-aged Children in Brazil Report Back Pain in Any Given Year: 12-Month Prospective Cohort Study of Prevalence, Incidence, and Prognosis.

Objective: To estimate the prevalence, incidence, and prognosis of back pain in children and adolescents.

Design: Prospective cohort study.

Methods: We followed children and adolescents between the ages of 8 and 18 years with and without back pain over 12 months (3, 6, and 12 months) from public and private schools.

Translation, cross-cultural adaptation, and measurement properties of the psychosomatic questionnaire for children and adolescents with musculoskeletal pain into Brazilian-Portuguese.

Background: Psychosomatic symptoms seem to influence both the onset and development of pain. There is lack of Brazilian-Portuguese questionnaires that measure psychosomatic symptoms in children and adolescents.

Objective: To translate and cross-culturally adapt the Psychosomatic Questionnaire for Children and Adolescents into Brazilian-Portuguese and English and test the measurement properties of the Brazilian-Portuguese version.