A BOSU Ball is a versatile fitness tool that consists of a half-sphere attached to a flat platform. It is designed to improve balance, stability, and core strength. The dome side can be used for various exercises, while the flat side provides a stable surface for traditional workouts. Using a BOSU Ball can enhance workouts by engaging multiple muscle groups and challenging coordination. It is commonly found in gyms and used in personal training sessions, physical therapy, and group fitness classes. The ball can be incorporated into strength training, cardio, and flexibility exercises for a well-rounded fitness routine.