General manager David Forst announced on Friday that designated hitter Brent Rooker, the offensive anchor of the Sacramento-bound A’s, underwent surgery on Tuesday to “clean up” a right forearm ...

We all admire well-developed biceps and triceps, right? They're the classic fitness postcard. But let's be honest, what's the point of having huge arms if your grip fails when lifting heavier weights ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. You probably work your ...

On the ulnar side of the forearm lies the extensor carpi ulnaris muscle. This muscle allows the wrist, or carpus, to extend and bend. It begins on the outer side of the elbow on the lateral epicondyle ...

The extensor carpi radialis brevis muscle aids in moving the hand. Specifically, it abducts and extends the hand at the wrist joint. The muscle works in concert with the extensor carpi radialis longus ...