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 ...

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 ...

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 ...

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 ...

Building stronger, more defined triceps isn’t just about aesthetics—it’s key for pressing power, joint stability, and balanced upper body strength. Science-backed training focuses on exercises that ...

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 ...

Building muscle in your arms requires focusing on the biceps in the front and the triceps in the back. They’re opposite functioning muscle groups, so they require different strength training exercises ...

These muscles are not only aesthetically appealing but also play a crucial role in many daily activities. Strong biceps will help you lift objects with ease, while toned triceps will give you the ...

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, ...