Triceps: build great arms and a stronger press

The triceps accounts for a large share of your arm’s actual circumference. If your goal is a stronger press and better-looking arms, biceps curls alone won’t be enough.

The simple truth: the triceps does the heavy lifting when the arm extends. You feel it in the bench press, the behind-the-neck press and every exercise where the weight has to be driven all the way up.

Why does the triceps determine arm size?

Many trainees chase big arms but stay stuck on the biceps for too long. That’s understandable, since the biceps shows up in the mirror right away. Yet the triceps makes up about 2/3 of arm circumference. If that muscle stays weak, the arm as a whole stays smaller.

The triceps’ job is arm extension. Every time you press a bar up from your chest, push dumbbells overhead or finish a pressing exercise with straight arms, the back of the upper arm is at work. At the start, the chest muscles or shoulder help get the weight moving. At the end, the triceps has to finish the job.

That’s why the triceps is not just a muscle for looks. It supports your strength. When the triceps is stronger, the lockout of the bench press becomes more solid too. The same goes for the behind-the-neck press, whether seated or standing.

How do you put the triceps to work in training?

Isolation exercises are good when you want to target a specific muscle more precisely. Compound exercises, on the other hand, build overall strength and mass, because several muscle groups work at once. One doesn’t replace the other. You need both.

For the triceps there are two key compound exercises: the bench press and the behind-the-neck press. In both, the triceps’ role is most noticeable at the end of the movement, when the arm has to be straightened. If that part stays hard, it’s often a sign that the back of the upper arm needs more attention.

French press

The French press works well for building the triceps because the movement puts the emphasis on arm extension. You can do it on a Smith machine or on a regular bench press bench. What matters isn’t the bench but control.

Start like this: the bar is over your chest and your hands are 10-15 cm apart. Keep your elbows as close to your body as possible. Lower the bar toward your chest at a moderate tempo and start pressing back up right away. Don’t bounce the bar off your chest. The movement must stay controlled.

Depending on the type of training, do 6-15 reps per set. If your goal is strength, choose a weight you can control with clean technique. If your goal is a better mind-muscle connection, take a slightly lighter weight and keep the tempo steady.

Overhead half press

The overhead half press calls for caution. Frankly, this is an exercise where you have to leave your ego at the door. Too much weight ruins your technique quickly, and your elbows start moving where they shouldn’t.

You can do the exercise on a Smith machine or on a regular bench. Hold the bar above your head, hands 10-15 cm apart. Your elbows stay at your sides. Press the weight up, but don’t let your elbows drift apart. Press until your arms are fully extended overhead, then lower the weight back above your head in a controlled way.

Depending on the type of training, do 6-15 reps per set. If you feel pain in your elbow or shoulder, reduce the weight and check your position. The triceps should be doing the work, not your joints suffering.

The triceps and practical training tips

So what actually happens when you do these exercises consistently? First, your arm extension improves. Second, the end of your press gets stronger. Third, your arm takes on a fuller shape, because the triceps gives the back of the upper arm its volume.

Start with technique. Elbow position matters more here than the weight on the bar. If your elbows drift too far forward, out to the side or back, part of the work shifts away from the triceps. Keep the movement tight and stable.

Don’t do all the exercises at once with maximum weight. Your triceps already gets training load on pressing day. If you add separate exercises on top of that, recovery has to be part of the plan too. Otherwise your progress stalls even though you put in a lot of effort.

A good sign is when the last part of the bench press becomes more solid. If the bar moves well off your chest but stalls halfway, it’s worth taking triceps work seriously. These two exercises are a good fit for that.

Triceps: FAQ

Does the triceps grow only with isolation exercises?

No. The back of the upper arm also gets plenty of work in compound exercises, especially the bench press and the behind-the-neck press. Isolation exercises simply help load the muscle more precisely.

Why do the elbows need to stay close to the body?

That way the training load stays on the triceps better and the movement is more controlled. When the elbows flare out, the exercise becomes vague and the weight is harder to control.

Does a strong triceps help in the bench press?

Yes. The triceps works especially hard in the final phase of the press. When that muscle develops, getting the bar all the way up is usually more solid.

Stay strong!

Author: Ero Viik, FLEX

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