Add Yahoo as a preferred source to see more of our stories on Google. IT'S SAFE TO say that building big arms is a primary fitness goal for a lot of guys. Contrary to the popular belief, though, ...

This simple yet powerful move targets the back of your arms using just your body weight—and it delivers serious results.

The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, pressing strength, and upper arm development. Its long, lateral, and medial heads each contribute ...

If you're looking to train your upper body like an IFBB Pro bodybuilder, Sam Sulek recently shared his arm workout on YouTube, focusing on the biceps and triceps. Last week, Sulek, 23, secured his ...

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 ...

If you've read our round-up of tricep exercises, you'll know that the tricep muscle makes up 60% of your upper arm. It's a huge proportion, and while all the exercises included in the aforementioned ...