1. American College of Sports Medicine (2013) ACSM’s guidelines for exercise testing and prescription, 9th edn. Williams & Wilkins, Baltimore
2. Australian Government Department of Health and Ageing (2013) Physical activity guidelines for adults.
http://www.health.gov.au/internet/main/publishing.nsf/Content/health-pubhlth-strateg-phys-act-guidelines#guidelines_adults
3. Cao ZB, Oh T, Miyatake N, Tsushita K, Higuchi M, Tabata I (2014) Steps per day required for meeting physical activity guidelines in Japanese adults. J Phys Act Health 11:1367–1372
4. Clarke J, Janssen I (2014) Sporadic and bouted physical activity and the metabolic syndrome in adults. Med Sci Sports Exerc 46(1):76–83. doi:
10.1249/MSS.0b013e31829f83a0
5. Department of Health (2011) UK physical activity guidelines.
http://www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsPolicyAndGuidance/DH_127931