Bosu BallThe Bosu Ball is an excellent fitness device that can provide you high intensity cardio workouts, strength training, improve your balance and increase flexibility. The Bosu ball implements an unstable dynamic surface that can intensify your workouts, but at the same time, the device itself remains stable. The unsteady feature of the Bosu ball will make your exercises more effective and at the same time, fun. Using the Bosu ball can target your core