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 ...

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 ...

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 ...

The best arm workouts target several major muscles at once. Tricep dips, push-ups, planks, and burpees will tone your arms and don't require weights. Exercise your upper body two to three times a week ...

Rozalynn S. Frazier is an award-winning, multimedia journalist, NASM-certified personal trainer, and behavior change specialist living in New York City. You can try these 27 exercises to strengthen ...

Forearm exercises can increase muscle strength and endurance and improve bone health. Exercises that benefit the forearms include pull-ups and wrist curls. After discussing the forearm in more detail, ...