If you want your shoulders to last, you need to keep them strong—start today with this simple dumbbell workout

Woman facing the camera smiling holding a black dumbbell in each hand to the sides of her head. she's wearing a pink vest and standing in a living room setting. .

Your shoulders are the most mobile joints in your body and while they are a marvel of engineering, one thing they lack is stability.

And because so many upper-body exercises require shoulder movement, they’re one of the most commonly injured joints.