"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." ON THE BACKSIDE of each of your upper arms is an unsung hero. With the right amount of consistent, ...

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 ...

Anyone interested in building lean muscle will love this method.

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day. To build all-around upper-body strength (oh, and gain even more muscle definition in your ...

Flabby arms are often the bane of our lives as we age. But there’s plenty we can do to banish so-called bingo wings, by targeting the triceps. While toned triceps certainly enhance appearance, their ...

Building muscle in your arms requires focusing on the biceps in the front and the triceps in the back. They’re opposite functioning muscle groups, so they require different strength training exercises ...

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When people think of having strong, toned arms, they tend to focus mainly on building biceps—the meatier part of your arms. But the triceps—the three-headed muscles in the back of your arms—are just ...

No arm workout is complete without a few exercises for triceps, but that doesn’t mean you need to leave your sweaty prints on every piece of iron in the weight room. In fact, according to top trainers ...

Skull crushers — no exercise has a name more intimidating than this. Sure, burpees are difficult, but their name sounds harmless enough. However, skull crushers have self-inflicted harm written all ...