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 ...

Pain in the triceps most often occurs due to triceps tendonitis. Other possible causes include triceps tears and snapping triceps syndrome. Treatments can depend on the cause. The triceps muscle is ...

The Best—and Worst—Exercises for Tricep Gains, According to a Trainer originally appeared on Men's Fitness. The triceps brachii is a three-headed muscle that plays a critical role in elbow extension, ...

The triceps muscle crosses two major joints in the body -- the elbow and the shoulder. It's a critical component of upper body biomechanics and is involved in almost every arm movement that exists.

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 ...

Spot training can be really helpful when it comes to certain muscle groups, like your triceps for instance. Triceps tend to be one of those spots that no matter how hard you go on arm day, you 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, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Ready to get into the best shape of your life? Get free weekly workouts and no-nonsense training insights ...

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 ...

If you've read our round-up of tricep exercises, you'll know that the tricep muscle makes up 60% of your upper arm. It's a huge proportion, and while all the exercises included in the aforementioned ...