The physiological theory behind the Orangetheory workout is known as "Excess Post-Exercise Oxygen Consumption," or EPOC. Our 1 hour workout is designed to produce 12 minutes or more of intensities at 84% or higher of maximum heart rate. This program design produces workout "after burn" effect, which is an increased metabolic rate for up. View info about Eugene Country Club (eugenecountryclub.com). Eugene Country Club is a company located in Eugene, Oregon, United States. Find employees, official website, emails, phone numbers, revenue, employee headcount, social accounts, and anything related to Eugene Country Club..