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 ...

THERE ARE TONS of different ways to train your triceps muscles (trust us, we've been known to highlight a few of our favorites), but not every exercise is created equal. While some movements might be ...

When strong, toned arms are a goal, people tend to focus on the biceps. But the triceps are actually the largest muscle in the arm, making them an essential area to target when it comes to ...

How to: Stand with your knees bent and lean forward slightly, with a dumbbell in each hand. Keeping your back straight, bend your dumbell-holding arm 90 degrees at the elbow so your triceps are ...

In this week's episode of "The Right Way," Colette Dong demos how to do a tricep kickback with proper form. Plus, common mistakes to avoid. Your triceps make up two-thirds of your arm, but they tend ...

One of the keys to adding size to your arms is building a strong, powerful set of triceps. But it's not always easy to hit your tris. Building triceps muscle means learning to squeeze your triceps, ...

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, ...

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 ...

In the world of fitness and wellness, the quest for a balanced and functional body is a constant journey. Often, the spotlight is on the more visible muscles like the biceps, but let's not forget the ...

Add Yahoo as a preferred source to see more of our stories on Google. “If you have time to do four or five, six triceps exercises, sure, we'll work some kickbacks in,” Samuel says. “But if you have ...