Simple to use and easy to store, exercise balls and cushions can be an essential part of your daily workout routine. This equipment is perfect for toning and strengthening your core, and their minimal maintenance requirements makes owning an exercise ball or cushion a hassle-free way to enhance your exercise regimen. Balls and cushions aid in strengthening your abdominal, back, and pelvic muscles, as well as in promoting posture, back, and spine health.