Add Yahoo as a preferred source to see more of our stories on Google. For some gym bros, every day is arm day. These guys spend ungodly amounts of time creating and tweaking (then re-creating and ...

Add Yahoo as a preferred source to see more of our stories on Google. Man doing tricep pushdowns. We have more triceps than biceps (they actually make up two thirds of your overall arm). So, if you’re ...

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, ...

Your triceps are tiny muscles that are responsible for a major movement. While your biceps help your elbow bend, your triceps, those horseshoe-shaped muscles towards the top of your arm, help your ...

"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, ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...

Your triceps are tiny muscles that are responsible for a major movement. While your biceps help your elbow bend, your triceps, those horseshoe-shaped muscles towards the top of your arm, help your ...

They might feel good when you’re repping them out, but crushing curl after curl after curl just isn’t enough if you’re serious about building sleeve-busting arms. Sorry to be the bearer of bad news, ...

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 ...

When strong, toned arms are a goal, people tend to focus on the biceps. But the triceps are actually the largest muscle in the arm, making them an essential area to target when it comes to ...

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, ...