Carrying a heavy load that is unevenly or improperly distributed can result in poor posture and even distort your spinal column. This impact can throw your spine out of alignment, causing muscle strain, headaches, back, neck, arm pain, and even nerve damage. Prevention is key – Teach your child how to properly use their backpacks and help them avoid an injury. Choose the right backpack Go for lightweight vinyl or canvas material. Pick a pack…