Building serious arm size takes more than pressing on repeat. To fill out a sleeve and add lockout strength, put the triceps extension in regular rotation. This classic elbow‑extension move is one of ...

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.

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 ...

FEELING STRONG ENOUGH to go sleeveless to show off the big guns is a go-to gym goal. If you're coming up short on your triceps training, however, you're not going to be able to show off even half of ...

Add Yahoo as a preferred source to see more of our stories on Google. The back of the arm is a spot that many of my clients wish to tone and tighten. Most of them have a less-than-flattering nickname ...

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 ...

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