The Best—and Worst—Exercises for Tricep Gains, According to a Trainer originally appeared on Men's Fitness. The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, ...

Tricep pushdowns are a staple exercise for many. You likely see tons of guys repping these out in the gym on a daily basis, but Charles Glass says most are missing a key element of the movement: full ...

If toning the back of your arms is a goal, strengthening the triceps can help eliminate that common trouble spot that jiggles when you wave and help you feel more confident. But even more important, ...

Push-ups are great. You don’t need us to tell you that. They’re the ultimate portable muscle builder. But how often do you veer away from the safe (but undoubtedly effective) default push-up variation ...

Your triceps aren’t just for show—they power your presses, support daily movements, and give your arms that full, defined look. By understanding how the three heads of the triceps work, you can choose ...

Your triceps are an important muscle in the back of your arms. They help you extend your arms, provide strength for pushing, and help keep an overall balance in your upper body. ‌ Tendons connect your ...

As the old adage goes, good things always come in threes, so it’s no surprise the most eye-popping muscle in your arms is, in fact, three parts that join together. 'There are three heads to the tricep ...

If you tend to walk right past the cable machine at the gym, listen up. While you can always work your triceps with a set of dumbbells, the cable machine is an excellent way to isolate your arms and ...

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 ...

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 ...

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 ...