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, ...

Think doing the best bicep exercises is enough to get you jacked arms like The Rock? You’re mistaken. Yes, the biceps may give your arms that nice rounded ‘peak’ in the front of your t-shirt, but it's ...

Good things always come in threes: fairy godmothers, parts of a combo meal, boy bands made of brothers (Hi Jonas and Hansen!). So its no surprise the most eye-popping muscle in your arms is, in fact, ...

These muscles are not only aesthetically appealing but also play a crucial role in many daily activities. Strong biceps will help you lift objects with ease, while toned triceps will give you the ...

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.