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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Over the course of our fitness journeys, we tend to hyper-fixate, obsessively cycling through different muscle groups we want to ...

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

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 ...

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 ...

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, ...

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 ...

When people think of having strong, toned arms, they tend to focus mainly on building biceps—the meatier part of your arms. But the triceps—the three-headed muscles in the back of your arms—are just ...

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, ...

Training your triceps helps tone your arms, making them stronger and more defined. Strong triceps support your upper body during everyday movements and improve your ability to push and lift. Adding ...