If you're looking to build a strong upper body, you can't go wrong with dumbbell arm workouts. Dumbbells are simple, easy to use, and versatile. With the right weight, a solid selection of dumbbell ...

Diana tells Teen Vogue that she loves to lift weights, as opposed to using the machines at the gym. "They make me feel like I actually got something done," she says. What you need: A pair of dumbbells ...