Is your kid wearing a backpack or is the backpack wearing your kid

Coming to a neighborhood near you: Attack of the Walking Backpacks! You see them every school term waddling out and onto school buses, through crosswalks and out of their parents cars. Some poor kid is hauling around what looks like camping gear on his/her back for the back to school school semester. It would be cute if it didn't look so painful, right? So what is the best way for your child ( and you!) to wear a backpack? The American Physical Therapy Association says: READ ON