Stand with your feet about shoulder width apart holding the weights with your hands in a pronated (overhand) position. Squeeze your glutes, abs, and shoulder blades to create tension. Lift the weight ...

Let’s be honest, we're all a fan of upper body day because everyone wants big arms. No, more specifically, big biceps. However, if you’ve been endlessly curling dumbbells and your t-shirt sleeves ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

If your arm day consists of bicep curls on bicep curls, it might be time to switch things up and throw some bicep curl variations into the mix. Doing slightly different takes on the staple exercise ...