Most kids carry backpacks to school everyday, and pediatricians, physical therapists and parents are reporting increasing numbers of schoolchildren complaining of back, neck and shoulder pain, along with tingling or numbness in their arms and hands. This is being attributed to children carrying heavy loads of schoolbooks in backpacks and often not following backpack safety rules and using the bag improperly. However don't scrap your child's backpack and run out to buy a sling bag, or briefcase ...