Add Yahoo as a preferred source to see more of our stories on Google. Whether you're 15 or 50, the quest for bigger arms is a universal gym rite of passage. Most of us aren’t aiming for a Mr. Olympia ...

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 ...

Extensor carpi ulnaris 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 ...