Building serious arm size takes more than pressing on repeat. To fill out a sleeve and add lockout strength, put the triceps extension in regular rotation. This classic elbow‑extension move is one of ...

As the old adage goes, good things always come in threes, so it’s no surprise the most eye-popping muscle in your arms is, in fact, three parts that join together. 'There are three heads to the tricep ...

Stronger triceps means stronger, more toned arms. Try these research-backed exercises to build strength, power, and definition.