Without realizing it, you rely on your triceps to do many things on a regular basis—lifting bags, writing, moving furniture, mowing or raking the lawn, to name a few. But you may not be giving these ...

If you think that lots of dramatic, swinging motions mean that you're getting a good workout in, think again. When you're performing basic dumbbell lifts like curls, raises, or kickbacks, efficient ...

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. Arm day can be one of ...

ON THE BACKSIDE of each of your upper arms is an unsung hero. With the right amount of consistent, balanced strength training, you can give it the attention it deserves—and in doing so, stretch the ...

The triceps — the forgotten halves of the upper arms. You might hear “welcome to the gun show” after a bicep pump, but rarely do you hear a clever quip about the triceps. Nevertheless, they’re ...

The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, pressing strength, and upper arm development. Its long, lateral, and medial heads each contribute ...

Your triceps make up almost two-thirds of your upper arm muscle mass. That means if bigger arms are the goal, you can’t afford to ignore them. And one of the most effective ways to target them ...