When you think of training your upper body, your mind likely jumps to muscles like the biceps, triceps, shoulders, and chest. Yes, these are all so important for a strong bod. But your routine may be ...

During an arm workout, it’s typically the biceps and triceps that get all the love. While it’s certainly beneficial to move through sets of bicep curls and tricep dips, adding a few forearm exercises ...

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 ...

SCULPTING A SET of strong, muscular arms is high among the top priorities guys have at the gym. The big arms ideal is often thought to be a purely aesthetic pursuit—and for some trainees, that might ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." TO MAKE THE arm muscle gains you want, you'll need to be intentional. Following a balanced workout split ...

Overhead presses, lateral raises, and other movements target the deltoid muscle to improve shoulder stability, increase strength, and build muscle mass.

You don’t need a pricey gym membership or a set of weights to start building upper-body strength—just your own body. Whether you're tight on time, space, or equipment, bodyweight arm exercises offer a ...

A study suggests that only an hour of strength training a week can build muscle. Here's what to know—and how to craft your own muscle-boosting routine.

Sore arms and biceps after a challenging upper-body workout are normal maybe even to be expected, since sore muscles are part of the natural muscle-repair process that ultimately makes you stronger.