Everyone who exercises regularly is aware they should warm up prior to jumping into their workout. But should the warm-up include stretching? The common belief is that stretching makes you more ...

Despite all the flexing you may see on social media, biceps training—or at least the most effective biceps training—may have suddenly become one of the more neglected splits in common workout routines ...

When it comes to the upper body, biceps and shoulders get a lot of attention, but it's your triceps that can really give your arms that lean, sculpted appearance. Even more importantly, strong triceps ...

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 ...

There are many causes of arthritis, and most of them occur in the shoulders. In general, a condition is called arthritis when it causes one of your joints to become chronically swollen, uncomfortable, ...

You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

Whether it's a shooting pain or a dull ache, wrist and shoulder discomfort is a common complaint among my clients. Pain in these areas can present itself in a variety of ways: In a plank position, you ...

Since you don't see them when you glance in the mirror, it's easy to forget about the back of your arms. But you need to work your triceps to tone that area. Running from your shoulder to your elbow, ...

P90X Stretch X, the stretch routine included in the popular at-home fitness program, may provide much-needed relief after completing the brand’s intense cardio and strength training workouts. It’s ...

Lockdown love handles, Thanksgiving tummies and Christmas pie thighs — these are just a few of the things you may hope to leave behind in 2021. But tacking on a few workouts a week isn’t going to get ...