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 ...

Attach a rope handle to the high pulley of a cable station. Grab the handle and turn away from the machine with your hands at shoulder height. Fully extend your arms forwards and in front of your head ...

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 ...

When most people think of bigger arms, their mind immediately goes to biceps. But here’s the truth seasoned lifters understand: your triceps make up nearly two-thirds of your upper-arm size. If you ...

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, ...

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 ...

Popular fitness culture has made working out the chest and biceps one of the priorities when one steps into a gym, especially if your training includes using weights. But the triceps, those massive ...