Katie Dunlop of Love Sweat Fitness and guest Anna Renderer (Class FitSugar host — remember her?) will walk you through a workout in just 10 minutes. You'll need medium and light dumbbells (five and 10 pounds, for example) to perform moves like bent over row and bicep curl overhead press. "The more fun you have along the way, the more you are going to stick with it," Anna says at the end. We couldn't agree more!