Its back to school time and that means getting all the essential supplies and one of those is a backpack.
A recent study by the American Physical Therapy Association found that 55% of children carry loads heavier than they should.
Good Question: Could your child's backpack pose a dangerous health risk?
Sydney and Brooklyn are two sisters who are ready for school.
They have all of the essentials, paper, pencils and a backpack, but those new backpacks might pose a problem.
"The big thing with backpacks often is the amount of weight that is put in the backpacks," said Keith Duerler, with Fitness Plus in Lexington.
Duerler is a Lexington physical therapist, we took Sydney and Brooklyn to him to see if their backpacks were the right fit.
"The first item in a backpack you want to look for is making sure there is a good padding on the shoulder straps, which can reduce compression, rubbing on the shoulders," said Duerler.
There are dozens of backpacks out there for your children to choose from, but Duerler says a good fit is important in order to prevent early back injury.
We found that Brooklyn's bag might not be right for her.
"We want to see the bottom edge of the backpack, ideally sitting in the contour of the lower back, this pack might be a little large for her," said Duerler.
Backpacks are often too heavy, in fact children should only carry 15% of their body weight in their bags.
Keeping that in mind, will help lesson damage to your child's back later in life.
"Studies show that those that have an incident of back injury at a young age are going to have a much higher percentage of problems with their backs later in life," said Duerler.
Signs that your child's backpack might be causing strain:
You will notice changes in their posture
Arching of the back
Dipping of one shoulder