Name Info Provider Link
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0002-9149(10)02726-8
Exercise for Children free resource MedlinePlus Health Information https://medlineplus.gov/exerciseforchildren.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/21349488/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/21349488
Exercise and Physical Fitness free resource MedlinePlus Consumer Health Information https://medlineplus.gov/exerciseandphysicalfitness.html