6-Day Core Challenge

Build a strong core with this 6-Day Core Workout Challenge. This challenge was designed to mix it up. Target different abdominal, oblique, and muscle groups with a different 20-minute class for six days straight. Strengthen your core and back muscles, which are important for longevity. Your teachers include Travis Eliot, Rudy Mettia, Daniel Scott, and Vytas Baskauskas.