Sometimes you've got to trash your triceps (in the best way) to stimulate new levels of growth in your arms. In order to do so, you need to incorporate the best triceps exercises in your next arm ...

But, you're here for arms, so let's give you what you're after. Behold, 15 of the best biceps workouts guaranteed to stimulate new levels of growth if you've graduated from bodyweight arm exercises.

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, ...

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 ...

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 ...

How to: Lie on your back with your knees bent and feet placed flat on the mat. Hold a dumbbell in each hand and extend your arms upward over your chest, palms facing toward each other. Slowly bend ...

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 ...