Name	Info	Provider	Link
Exercise for Children	free resource	MedlinePlus Health Information	https://medlineplus.gov/exerciseforchildren.html
Exercise and Physical Fitness	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/exerciseandphysicalfitness.html
	free resource	National Institute of Public Health - National Institute of Hygiene (NIPH-NIH), Poland	http://wydawnictwa.pzh.gov.pl/roczniki_pzh/download-article?id=968