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, ...

Find out why top personal trainers and fitness instructors use compound movements as part of their fitness routines.

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 ...

YOU CAN CLASSIFY exercises in a number of ways—by muscle group, movement pattern, or implement used, for example—but one of the most basic methods is whether it's a compound movement (using multiple ...

On the backside of each of your upper arms is an unsung hero. With the right amount of consistent, balanced strength training, you can give it the attention it deserves—and in doing so, stretch the ...

Many people like to go to the weight room and start performing the standard isolation exercises by either using a machine weight system or free weights. Afterward, they do a 20- to 30-minute cycle of ...

"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, ...

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, ...

Compound exercises use multiple joints to perform a specific movement, while isolation exercises target a specific joint. Both types of exercises build muscle and burn calories; deciding which is best ...

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 ...