If you want bigger, stronger arms, focusing only on biceps won’t get you there. The triceps make up the majority of your upper-arm mass, and building them effectively requires targeted isolation work.

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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, ...

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, ...

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 ...

In the ever-evolving world of fitness trends and high-intensity workouts, sometimes the most effective exercises are the simplest. Overhead tricep extensions may not look flashy on social media, but ...

Add Yahoo as a preferred source to see more of our stories on Google. Man performing dumbbell overhead triceps extension in mirror. Take a look around at your fellow gym-goers next time you visit the ...

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 ...