Name Info Provider Link
Exercise and Physical Fitness free resource MedlinePlus Health Information https://medlineplus.gov/exerciseandphysicalfitness.html
subscription/membership/fee required Cambridge University Press https://www.cambridge.org/core/product/identifier/S0954579411000800/type/journal_article
Exercise for Children free resource MedlinePlus Consumer Health Information https://medlineplus.gov/exerciseforchildren.html