BOSU® Complete is a workout system that uses the latest theories related to functional balance training to design programs that may improve physical balance through integrated movement tasks, and enhance performance across a wide continuum of activities that include sport, recreation and daily tasks. The BOSU Complete Workout System is designed to help fitness and health professionals easily plan classes or client workouts, and to use the Balance Challenge Variables methodology to progress or regress the challenge of any exercise or drill. BOSU Complete will give a trainer the tools for unlimited exercise variations, and the ability to manipulate proprioceptive variables to make every workout enjoyable and appropriate for all fitness levels.