Aerobic Exercise: References

Garber CE, Blissmer B, Deschenes M et al. Quantity and Quality of Exercise for Developing and Maintaining Cardiorespiratory, Musculoskeletal, and Neuromotor Fitness in Apparently Healthy Adults: Guidance for Prescribing Exercise. Medicine & Science in Sports & Exercise: July 2011;43(7): 1334-1359 doi: 10.1249/MSS.0b013e318213fefb.

Centers for Disease Control and Prevention. Measuring Physical Activity Intensity. Physical Activity for Everyone. http://www.cdc.gov/physicalactivity/everyone/measuring/index.html. Updated 6/2015. Accessed May 2016.