Bosu Double Up/Double Down Fitness DVD Designed for use by fitness professionals 15 drills that focus on athletic and fitness benefits, including cardio, strength, flexibility, balance, coordination, reaction and agility Several progressions and regressions of each drill for variety and appropriateness for clients of different fitness and skill levels Teaching and coaching cues to maximize the effectiveness of each drill Designed to be used with 2 BOSU Balance Trainers