Backpack pain: the time carrying the backpack—not the Weight—is likely causing that pain
A 2016 study on back pain caused by backpacks revealed two notable findings: Teen girls appear to experience more severe backpack-related pain compared to boys, and the time carrying the backpack—not the weight—is likely causing that pain.
The study covered 5,318 students aged 6 to 19 years. The researchers broke the student sample into three age groups: children, younger adolescents, and older adolescents.