Add Yahoo as a preferred source to see more of our stories on Google. If toning the back of your arms is a goal, strengthening the triceps can help eliminate that common trouble spot that jiggles when ...

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

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 ...

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 ...

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 ...

Tricep exercises are a fundamental part of arm day and increasing upper-body strength as triceps make up two thirds of your upper arm. The antagonist (opposing) muscle to the star player, the biceps, ...

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, ...