Resources
US Department of Health and Human Services. Physical Activity Guidelines for Americans. 2nd ed. Office of Disease Prevention and Health Promotion Web site. Published 2018. https://health.gov/paguidelines/second-edition/. Accessed January 7, 2019.
Piercy KL, Troiano RP, Ballard RM, et al. The Physical Activity Guidelines for Americans. JAMA. 2018;320:2020-2028.