The gymball tones all the muscles in the body, improves flexibility, and also great for stretching and warm up activities and different muscle workout. The round shell of a sphere is an unstable surface, so when you lie, sit or lean on it, you must continually rebalance yourself. These subtle steadying adjustments help isolate and activate the deepest muscle layers in the core. Whether you are conscious of it or not, your abs are working overtime whenever you are on the ball. To learn more you can read it here.
Dumbells are wonderful fitness training tools because they can be used to strengthen nearly every muscle in your body. This is one exercise that is great in strengthening your neck, back and shoulder muscles.
Thus, to me, everything always, always have a blessing in disguise. And everything happens for a reason. With the recent controversy of Yoga exercise, now we even have more fun playing with the ball and the dumbells! Its heavier to carry your stuff to the class now, but hey, no pain, no gain......Lol!