For a defined upper arm, not only are strong shoulders and a pronounced biceps crucial, but also their counterpart: a trained triceps. Experienced strength athletes can try the JM Press for this.

Since you don't see them when you glance in the mirror, it's easy to forget about the back of your arms. But you need to work your triceps to tone that area. Running from your shoulder to your elbow, ...

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 brachii is a three-headed muscle that plays a critical role in elbow extension, pressing strength, and upper arm development. Its long, lateral, and medial heads each contribute ...