Heavy Backpack Study

(Chicago-AP) -- A new study says wearing a backpack is less likely to injure your child than originally thought. The study says children are more likely to be hurt tripping over the packs, or being hit with them.

Growing concern suggested heavy packs cause back trouble in children, but researchers found the back was one of the least likely places where children were injured. The study acknowledges its limitations -- it focused only on emergency room incidents, missing anything diagnosed or treated in a doctor's office.

But researchers say teaching children about proper backpack safety habits is more important than restricting textbook loads or redesigning packs.