Tricep Workouts with Dumbbells: The Best Moves for Bigger, Stronger Arms

Inside of a gym seen from a hexagonal dumbbell rack.

When it comes to building impressive arms, people often focus too much on the biceps. Don’t get us wrong, they’re important. But if you want real arm size and definition, the triceps are where you need to invest your time. Triceps make up around two-thirds of your upper arm, so adding mass here will give you the biggest visual impact.

 

The best part? You don’t need a fancy gym setup to hit them hard. A simple set of dumbbells will do the trick. Below, I’ll break down some of the most effective dumbbell exercises for building your triceps, with a little flair for those who like to mix it up.

1. Dumbbell tricep kickbacks

The classic tricep kickback is basic but really effective. This is one of those exercises that seems simple but will have your triceps burning by the last rep.

  • How to do it: Bend forward at your hips, keeping your back straight. Hold a dumbbell in each hand, elbows bent at 90 degrees. Extend your arms straight behind you until they’re fully extended, squeezing the triceps at the top. Return to the start.
  • Why it works: It isolates the triceps and forces that peak contraction at the end of the movement, maximizing muscle engagement.
  • Tip: Go for slow, controlled reps. Momentum is the enemy here. Focus on the squeeze at the top of the movement.

2. Overhead dumbbell tricep extension

This move is all about the stretch. With an overhead extension, you’re working the long head of the triceps, which is responsible for that meaty part of your upper arm.

  • How to do it: Grab a single dumbbell with both hands and hold it overhead. Lower the dumbbell behind your head by bending your elbows, then extend your arms back up.
  • Why it works: The overhead angle emphasizes the long head of the triceps, giving your arms that thicker, fuller look.
  • Tip: Keep your elbows as close to your head as possible to really target the triceps. Flared elbows will reduce the focus on your arms and involve other muscles.

3. Dumbbell skull crushers (Lying tricep extensions)

Don’t let the name scare you, this is one of the most effective tricep exercises around. It works all three heads of the triceps and can seriously build strength.

  • How to do it: Lie on a bench (or the floor if you’re at home). Hold a pair of dumbbells directly above your shoulders. Bend at the elbows and lower the weights toward your forehead (or slightly behind it). Press back up to the starting position.
  • Why it works: Skull crushers hit the entire triceps muscle, ensuring you’re getting a balanced workout for all heads of the triceps.
  • Tip: Lower the dumbbells with control. Don’t rush through this movement—your elbows and wrists will thank you later.

4. Close-grip dumbbell press

This is a two-in-one move that also benefits your chest, but the triceps are doing a lot of the heavy lifting here. You’re pressing the weight like you would in a bench press, but with a narrow grip to shift the emphasis to your triceps.

  • How to do it: Lie flat on a bench, holding two dumbbells close together directly over your chest. Lower the weights until they lightly touch your chest, then press them back up.
  • Why it works: The close grip keeps the tension on your triceps throughout the movement, making it a great compound exercise.
  • Tip: Squeeze your triceps hard at the top of the press. This extra contraction will pay off.

5. Dumbbell Tate press

Now, this one is a bit of an underdog. Not as commonly seen as the others, but it’s fantastic for hitting the triceps from a unique angle.

  • How to do it: Lie on a bench, hold dumbbells with palms facing your body, and keep your elbows flared out. Lower the weights towards your chest, then extend them back up in a pressing motion.
  • Why it works: This exercise is excellent for working the medial head of the triceps, which can sometimes get neglected with traditional moves.
  • Tip: Focus on keeping your form strict. This is not a heavy-weight exercise. Quality reps over quantity here.

6. Dumbbell tricep push-ups (Modified)

Let’s get creative with this one. Sure, it’s a push-up, but using dumbbells adds a new challenge and forces your triceps to take on more of the load.

  • How to do it: Get into a push-up position, but grip dumbbells instead of placing your hands flat on the floor. Keep your elbows close to your body as you lower yourself, then push back up.
  • Why it works: By holding onto dumbbells, you can keep your wrists in a more neutral position and place extra emphasis on your triceps.
  • Tip: Maintain a strong plank position throughout the movement. No sagging hips!

 

Final thoughts

Building bigger, stronger triceps doesn’t require a gym full of fancy equipment. A simple pair of dumbbells is all you need to hit every part of this muscle group effectively. Whether you’re going for pure size, strength, or endurance, these exercises cover all the bases. Mix and match them in your routine, focusing on form and contraction for the best results. If you are looking for tips on how to grow bigger arms, get in touch with our personal trainers in Gastonia.