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 ...

Strong triceps support everyday movements like pushing up from a chair and can improve arm definition.Five at-home exercises ...

Many daily activities-steering a car, typing on a keyboard, chopping vegetables for dinner, even hugging someone you love-are forward- reaching movements. Even in yoga practice, you're often ...

Don’t let a packed schedule stop your progress.

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 ...

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 ...

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 ...

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 ...

When you're dealing with shoulder mobility limitations or muscle imbalances, try these variations and alternatives to the overhead triceps extension to build strong arms. As a certified personal ...

WASHINGTON - Flex your arm. You already know which muscle you're showing off. The biceps are among the most recognizable muscles in the human body, but they share the upper arm with a less-celebrated ...

Pain in the triceps most often occurs due to triceps tendonitis. Other possible causes include triceps tears and snapping triceps syndrome. Treatments can depend on the cause. The triceps muscle is ...