Bosu Ball Squats - Bosu upside downThis is an advanced exercise. Flip the Bosu upside down. Slowly step on the Bosu with feet should width apart. Contract your core to stabilize the body. Inhale and slowly lower your bottom to the Bosu by bending the knees. Keep all of your body weight centered on the Bosu. Without pausing, slowly exhale as you raise your body by straightening the legs. Do this exercise slowly and try to keep the top of the Bosu stable.