Seth Martin, M.D., M.H.S., assistant professor of medicine and cardiology at Johns Hopkins, presents on his research and a randomized clinical trial of an automated mHealth intervention for physical activity promotion. He discusses in further detail his mActive hypothesis from the clinical trial that a fully automated, fully mobile and physician-designed tracking-texting intervention to provide individual encouragement and foster feedback loops helps to increase physical activity with his patients. Visit us! https://www.hopkinsmedicine.org/orthopaedic-surgery/