Did you know that backpacks that are too heavy or not carried properly can injure muscles or joints causing back pain and other problems? Shriners Hospitals for Children has published a great little guide called
Backpack Basics for Healthier Kids which explains how to choose and use a backpack.
![List of backpack basics List of backpack basics](https://cdnsm5-ss13.sharpschool.com/UserFiles/Servers/Server_224837/Image/Backpack%20Basics%20-%20snip.PNG)