Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S0003-9993(11)00671-X
Exercise and Physical Fitness	free resource	MedlinePlus Health Information	https://medlineplus.gov/exerciseandphysicalfitness.html
	free resource	PubMed Central	https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22200399/
	free resource	Europe PubMed Central	https://europepmc.org/abstract/MED/22200399
Exercise and Physical Fitness	free resource	MedlinePlus Consumer Health Information	https://medlineplus.gov/exerciseandphysicalfitness.html