You might be surprised how much you're already hitting this valuable muscle group. Here's how to avoid going overboard ...

You can use any of the 8 calisthenics triceps exercises in this video to build bigger arms at home. Simply include one or two ...

In TODAY.com's Expert Tip of the Day, a trainer shares her favorite exercise for toning and tightening the arms.

For some gym bros, every day is arm day. These guys spend ungodly amounts of time creating and tweaking (then re-creating and re-tweaking) new routine to get bigger and better pumps, with a list of ...

Tricep exercises may be overlooked in favour of the better known biceps, but they're arguably the most important muscle to train on arm day, as triceps make up two thirds of your upper arm.

Arm day can be one of the most fun days at the gym, but don't limit yourself to just bicep exercises. Your triceps, on the back of your arm, are an even larger arm muscle, and they're what give you ...

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

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 ...

FEELING STRONG ENOUGH to go sleeveless to show off the big guns is a go-to gym goal. If you're coming up short on your triceps training, however, you're not going to be able to show off even half of ...

These 5 chair exercises firm sagging arms in 30 days after 55, using bodyweight to build strength and reduce joint strain.

When we're strength training, gravity plays an important role in the difficulty and the complexity of any given exercise. Used correctly, gravity works in concert with physiology to produce awesome ...