Here Are the 50 Best Dumbbell Moves For Fat Loss (Plus 30 Workout Videos Using Them!)

We're big fans of Demi Lovato, and after working out with her trainer, Kim Glass, we're big fans of her, too. As a former Olympian — she won silver playing indoor volleyball — Kim knows a lot about working out the entire body efficiently and effectively. Grab a set of medium weights and two towels to use as gliders (or paper plates if you're working out on carpeting).