The Best—and Worst—Exercises for Tricep Gains, According to a Trainer originally appeared on Men's Fitness. The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, ...

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 ...

Bulging biceps and strong, toned triceps provide both aesthetic and functional benefits. Bigger, more powerful arms are also a key part of the desirable, muscular, masculine upper body shape known as ...

"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, ...

WHAT'S YOUR GO-TO arm day exercise? There's a good chance your answer is the dumbbell biceps curl. That's a great answer—we've talked at length about the move and how valuable it can be for your ...