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 ...

You can use any of the 8 calisthenics triceps exercises in this video to build bigger arms at home. Simply include one or two ...

The triceps muscle crosses two major joints in the body -- the elbow and the shoulder. It's a critical component of upper ...

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, ...

Think doing the best bicep exercises is enough to get you jacked arms like The Rock? You’re mistaken. Yes, the biceps may give your arms that nice rounded ‘peak’ in the front of your t-shirt, but it's ...

You might be surprised how much you're already hitting this valuable muscle group. Here's how to avoid going overboard.

In TODAY.com's Expert Tip of the Day, a trainer shares her favorite exercise for toning and tightening the arms.

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, ...

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 ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Training your upper body is essential in maintaining and ...

When people think of having strong, toned arms, they tend to focus mainly on building biceps—the meatier part of your arms. But the triceps—the three-headed muscles in the back of your arms—are just ...

Triceps stretches are arm stretches that work the large muscles at the back of your upper arms. Regular stretches can help prevent injury, increase range of motion, and prevent tight triceps, among ...