Shriners Hospitals for Children issued the following announcement on Sept. 23.
Used correctly, backpacks can be a good way to carry all the books, supplies and personal items needed for a typical school day. However, backpacks that are too heavy or carried incorrectly can injure muscles or joints and contribute to back pain and other problems. #BackPackAwarenessDay
Original source can be found here.
Source: Shriners Hospitals for Children