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, ...

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 ...

A certified strength coach shares 5 chair exercises that build arm strength after 60—no weights or gym needed.

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 ...

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 ...

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 ...

Training your triceps helps tone your arms, making them stronger and more defined. Strong triceps support your upper body during everyday movements and improve your ability to push and lift. Adding ...

Good things always come in threes: fairy godmothers, parts of a combo meal, boy bands made of brothers (Hi Jonas and Hansen!). So it’s no surprise the most eye-popping muscle in your arms is, in fact, ...

The secret to an upper body that looks fierce AF: cut triceps. This part of the arm often gets lost in the workout shuffle—while moves like biceps curls and presses take main stage. But when the ...