Prevalence and predictors of adolescent idiopathic scoliosis in adolescent ballet dancers.

Objective: To determine any differences between the prevalence of adolescent idiopathic scoliosis in ballet dancers who are girls compared with age-matched nondancers, and to establish if any relations exist between the presence of scoliosis and generalized joint hypermobility, age of menarche, body mass index (BMI), and the number of hours of dance training per week.

Design: Cross-sectional, matched pair study.

Setting: Dance school.