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 ...

Stronger triceps means stronger, more toned arms. Try these research-backed exercises to build strength, power, and definition.

If you're looking to tone up your arms, you may turn to bicep curls or hammer curls to build up your biceps. But what about your triceps? The muscles on the back of your arms really show definition, ...

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If you want to tone the backs of your arms, you need to work your triceps. There are some classic moves that home in on this underworked muscle group, and there are even more full-body moves that ...

The name skull crushers isn’t too enticing—I get it—but it's a great triceps-toning move, and not as scary as it sounds. While it might be a little more advanced than other dumbbell exercises ...

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 ...

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 ...

FEELING STRONG ENOUGH to go sleeveless to show off the big guns is a go-to gym goal. If you're coming up short on your triceps training, however, you're not going to be able to show off even half of ...

If you want to sculpt a killer set of triceps — the muscles on the back of your arms — look no further. These pushup variations are all you need to get moving. Plus, we’ll show you how to perfect your ...