Get stronger, leaner arms in just 10 minutes! 💪 This quick dumbbell arm workout targets your biceps, triceps, and shoulders ...

Gym machines may look cool, but when it comes to building muscle and strength in your upper body, all you really need is the humble dumbbell and this workout. Perfect if you’re pushed for time, this ...

A strong bicep can create that defined look in the upper body that many people desire. But what most people don't realize is how important strengthening this area is for reasons beyond aesthetics. The ...

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 ...

For a program to be most effective, Washington recommends sticking to it for at least four to five weeks before changing it ...

In our latest Do It Right post, we cover how to do bicep curls properly, so you’ll get better muscle growth and avoid injury. In this post, we’re covering how to do the basic bicep curl. For ...

Can you guess the “unofficial” sign for working out? I’ll give you a hint ... it’s probably the most popular upper body muscle to train. If you said biceps, you are correct. And the “curl” is the ...

There's a quote from the TV drama Desperate Housewives that's stuck with me for years: "I have the upper body strength of a kitten." The phrase was originally employed by fictitious former model ...