Lower back pain in school-aged children may be common, according to a new study.

Young athletes deal with their fair share of aches and pains. Along with knee and ankle troubles, lower back injuries top the list of most common injuries among young athletes.

Teens' back pain could be blamed on the heavy textbooks and homework assignments they carry to school. But there may be something else besides those heavy backpacks that's actually linked to pain and soreness in the back.