According to the Professional College of Physiotherapists in Madrid, half of all Spanish kids suffer ongoing backache. Using cartoon strips featuring a pencil with a face, and interactive games, physiotherapists are visiting schools to teach children how to sit properly.
On reflection, many adults with problems might have averted them if they had a greater understanding when they were children.
http://www.thinkspain.com/news-spain/17149/half-of-all-kids-suffer-ongoing-backache-say-medics
If you can read spanish you might like to hunt around the Spanish Physiotherapy site.
