fitness Challenge hard

#BOSUstrong Abs Workout – One of the benefits of using a Bosu Trainer is the extra ab work that goes into stabilizing whenever you’re using it for balancing, whether it’s squats, lunges, or sit ups. Regardless of your exercise choice, your abs are always working hard. Make them work harder by trying this abdominal workout using the Bosu Ball! One of the benefits of using a Bosu Trainer is regardless of your exercise, your abs are always working hard. Take it up a notch with this Bosu abs workout!