1. 2011 Compendium of Physical Activities
2. A Survey of Active Video Game Literature;Altamimi R.;International Journal of Computer and Information Technology,2012
3. American Academy of Pediatrics (2003). Recommendations for Prevention of Pediatric Overweight and Obesity. Available from https://www.health.ny.gov/publications/4951.pdf. Acessed 4th October 2003. American Academy of Pediatrics (2003). Recommendations for Prevention of Pediatric Overweight and Obesity. Available from https://www.health.ny.gov/publications/4951.pdf. Acessed 4th October 2003.
4. American Heart Association (2015). Target Heart Rates. Available from http://www.heart.org/HEARTORG/GettingHealthy/PhysicalActivity/FitnessBasics/Target-Heart-Rates_UCM_434341_Article.jsp. Acessed 8th August 2015. American Heart Association (2015). Target Heart Rates. Available from http://www.heart.org/HEARTORG/GettingHealthy/PhysicalActivity/FitnessBasics/Target-Heart-Rates_UCM_434341_Article.jsp. Acessed 8th August 2015.
5. American Medical Association (2013). Childhood Obesity. Available from http://www.ama-assn.org/ama/pub/physician-resources/public-health/promoting-healthy-lifestyles/obesity/childhood-obesity.page. Accessed 7th April 2013. American Medical Association (2013). Childhood Obesity. Available from http://www.ama-assn.org/ama/pub/physician-resources/public-health/promoting-healthy-lifestyles/obesity/childhood-obesity.page. Accessed 7th April 2013.