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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The back of the arm is a spot that many of my clients wish to tone and tighten. Most of them have a less-than-flattering nickname ...

Triceps stretches are arm stretches that work the large muscles at the back of your upper arms. Regular stretches can help prevent injury, increase range of motion, and prevent tight triceps, among ...

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 strong, toned arms are a goal, people tend to focus on the biceps. But the triceps are actually the largest muscle in the arm, making them an essential area to target when it comes to ...

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 ...

The triceps are the large muscles on the back of the upper arms that are responsible for elbow, shoulder, and forearm movements. Working out your triceps helps to build upper body strength and is an ...

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 ...