Without realizing it, you rely on your triceps to do many things on a regular basis—lifting bags, writing, moving furniture, mowing or raking the lawn, to name a few. But you may not be giving these ...

Chair dips after 55: See the elite rep benchmark, form tips, and trainer-backed guidance to test your strength today.

If you think that lots of dramatic, swinging motions mean that you're getting a good workout in, think again. When you're performing basic dumbbell lifts like curls, raises, or kickbacks, efficient ...

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, ...

How to: Stand with your knees bent and lean forward slightly, with a dumbbell in each hand. Keeping your back straight, bend your dumbell-holding arm 90 degrees at the elbow so your triceps are ...