LES MILLS CORE™ is a 30-minute intense core workout which guarantees quick gains (results) irrespective of your fitness level. CORE is an intense core workout, designed to build strength, stability and endurance in the muscles that support your core, including the abdominals, gluts and back muscles. Exercising muscles around the core, CORE™ provides the vital ingredient for a stronger body. Stronger core muscles are the key to avoiding injuries and improving your results at other workouts. The workout includes exercises that utilize weight plates and body weight exercises like crunches, planks and hovers.