Bosu Balance Trainer Bosu Balance Trainer- senior woman trains for dog walking stability. BOSU Balance Trainer combines all the elements of fitness cardiovascular toning and flexibility into unique and highly effective combinations. Challenging and fun, the BOSU Balance Trainer gives a whole new meaning to "moving with control" as yuou work out on an unstable, dynamic surface Includes BOSU Balance Trainer, 4-in-1 workout DVD, 2 workouts from the Xplode Series DVD, owner's manual and foot pump