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 ...

The three-time Mr Olympia prefers this single-arm overhead extension to build size ...

Bodybuilding star and former three-time Mr. Olympia Frank Zane broke down how to sculpt the arms with his one-arm dumbbell ...

A CSCS trainer shares 5 dumbbell exercises that build arm strength faster than traditional weight training after 55.

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 ...

Get in an amazing workout by incorporating these unique strength-training moves — they only use one dumbbell. Some of these exercises work both sides of the body at once, while others target one side ...