... Encourage your child to develop stronger lower back and abdominal muscles. This will help avoid back injury. Weight training and yoga are two activities that can help strengthen core muscles.
http://www.knoxnews.com/news/2013/sep/02/backpack-related-injuries-send-5k-kids-to-er/?partner=RSS
http://www.knoxnews.com/news/2013/sep/02/backpack-related-injuries-send-5k-kids-to-er/?partner=RSS
