Why devote yourself to a dumbbell-exclusive workout program? Well, dumbbells can do everything a room of fancy gym equipment can do—and more. “Unlike weight machines, which often focus on a single ...

Nellie Barnett, CPT, is the founder of Nellbells Fitness. Why devote yourself to a dumbbell-exclusive workout program? Well, dumbbells can do everything a room of fancy gym equipment can do—and more. ...