America appears to be on the verge of an epidemic of inactivity. More than 80% of Americans do not meet the minimum guidelines for physical activity (U.S. Department of Health and Human Services). The fitness industry however is growing, with an expected increase of 23% in employment over the next decade (U.S. Bureau of Labor Statistics) and significant increase in health club memberships and spending (International Health, Racquet & Sportsclub Association). In 2014, 54.1 mil