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

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 ...

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

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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: ...

Upper body strength is helpful for a host of regular activities, from household chores such as lifting the groceries and raking the leaves to everyday actions like picking up your kids or walking your ...

THERE ARE TONS of different ways to train your triceps muscles (trust us, we've been known to highlight a few of our favorites), but not every exercise is created equal. While some movements might be ...

With the right steps and patience, you can develop the ability to perform tricep dips correctly. Photo: GettyImages/MilanEXPO If you want defined upper arms, you should definitely train your triceps ...

Tighten sagging arms in 30 days with 5 standing exercises that build strength, boost posture, and firm your upper arms after ...