1 Author Affiliations: Department of Kinesiology, University of Virginia, Charlottesville, VA (Dr Swift); John Ochsner Heart and Vascular Institute, Department of Cardiovascular Diseases, Ochsner Clinical School - The University of Queensland School of Medicine, New Orleans, LA (Dr Lavie); Population and Public Health, Pennington Biomedical Research Center, Baton Rouge, LA (Drs Lavie and Newton); and Department of Physical Therapy, College of Applied Sciences, University of Illinois at Chicago, Chicago, IL (Dr Arena).