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, ...

One of the most important arm muscles is the triceps brachii (the triceps, for short). You use your triceps to extend your arm. It opposes the biceps muscle, which is used to flex the arm. You also ...

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 ...

Shoulder aches and tightness are pretty common, especially if you’ve been lifting for years or have old injuries that limit how far you can move overhead. But that doesn’t mean you have to give up on ...