Add Yahoo as a preferred source to see more of our stories on Google. Without realizing it, you rely on your triceps to do many things on a regular basis—lifting bags, writing, moving furniture, ...

No pain, more gains.

"The problem with the classic triceps kickback is people use way too much shoulder momentum to start the motion," says Men's Health fitness director Ebenezer Samuel, C.S.C.S. "We're gonna put you in ...

One of the most important arm muscles is the triceps brachii (the triceps, for short). You use your triceps to extend your arm. It opposes the biceps muscle, which is used to flex the arm. You also ...

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 ...

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 ...