One in three between the ages of 10 and 18 said they had backaches in the past year, according to a survey of about 3,700 youngsters. The incidence rose along with kids' age and weight and was higher among those who play competitive sports.
One in three between the ages of 10 and 18 said they had backaches in the past year, according to a survey of about 3,700 youngsters. The incidence rose along with kids' age and weight and was higher among those who play competitive sports.
