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 ...

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The California press is a hybrid upper-body move that combines a triceps extension (think skull crusher) with a close-grip ...

Discover the secrets to mastering the side crow arm balance yoga pose in this concise yet comprehensive video. Designed to ...

Before you begin this exercise, you must first prep. Sit straight with your feet shoulder-width apart. Point them straight ahead. With your elbows bent, take hold of your dumbbells (or cable handles, ...

WHEN YOU DO a heavyweight bench press—arguably the premier upper body-building exercise for lifters of all stripes—there are two muscles working in tandem to power the bar up to the top of each rep: ...

After all, hypertrophy (the technical term for muscle growth) is largely a numbers game, and getting the equation right can ...

You want to build up your physique—but there's a line between well-pumped and overdone. Here's what you need to know.

The secret to big arms? It relies on many factors: genetic makeup, workout frequency and more. These elements determine the time it takes to get big biceps.