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

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 ...

The triceps muscle crosses two major joints in the body -- the elbow and the shoulder. It's a critical component of upper ...

Bulging biceps and strong, toned triceps provide both aesthetic and functional benefits. Bigger, more powerful arms are also a key part of the desirable, muscular, masculine upper body shape known as ...