Walk into any gym and you’ll be sure to spot a rack of dumbbells waiting. But why are they such a popular gym staple and what exactly are they good for? Well, given that a dumbbell exercise adds external load to the body during movement, they’re an excellent way to make your workout a bit more challenging.
So, what are dumbbells? Good question. In short, they're a piece of weight training equipment that has weight at each end, stereotypically used two at a time (one in each hand) for muscle-building.
