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 ...

It's time to transform your triceps. In a new video, exercise scientist Mike Israetel shared his five favorite tricep exercises, including EZ-bar overhead extensions, barbell skullcrushers, cable ...

Unilateral exercises can sometimes feel inefficient, given that one side of the body is at rest while another side is engaged. But there are a number of benefits to unilateral training that aren't ...

While it's totally normal to have one stronger side when you weight train, there are things you can do to help it. Unilateral exercises - using one side of the body at a time - are an effective way to ...

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 ...

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 ...

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, ...

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 ...

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 ...

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day. To build all-around upper-body strength (oh, and gain even more muscle definition in your ...