What muscles does the Dumbbell Seated Bent-Over Triceps Extension work?

This exercise primarily targets the triceps, focusing on the long head for improved arm strength and definition. While it’s an isolation move, the rear delts and forearms may engage slightly for stability during the lift.

What equipment do I need for the Dumbbell Seated Bent-Over Triceps Extension?

You’ll need a sturdy bench and a single dumbbell. If you don’t have a bench, you can perform the movement from a sturdy chair or seated on the edge of a flat surface, ensuring your torso can lean forward comfortably.

Is the Dumbbell Seated Bent-Over Triceps Extension suitable for beginners?

Yes, beginners can perform this exercise with a light dumbbell to learn proper form and control. Focus on slow, controlled movements and keeping the upper arm stationary to avoid swinging or using momentum.

What are common mistakes to avoid during the Dumbbell Seated Bent-Over Triceps Extension?

Avoid letting your elbow drift away from your torso, as this reduces triceps engagement. Also, don’t use excessive weight that forces you to swing the dumbbell, and maintain a neutral spine without rounding your back.

How many sets and reps should I do for best results?

For strength and muscle growth, aim for 3–4 sets of 8–12 reps per arm with moderate weight. Beginners can start with 2–3 sets of 12–15 lighter reps to build endurance and perfect technique.

Are there safety tips for performing the Dumbbell Seated Bent-Over Triceps Extension?

Keep your core engaged and back straight to avoid strain on the lower back. Use controlled motion throughout especially when lowering the dumbbell to protect your elbow joint from sudden stress.

What variations can I try for the Dumbbell Seated Bent-Over Triceps Extension?

You can perform this exercise with both arms at the same time for efficiency, or use resistance bands instead of a dumbbell for joint-friendly resistance. Slightly changing the bench angle or hand grip can alter muscle engagement.

Dumbbell Seated Bent-Over Triceps Extension

Target Muscles

Primary:

Triceps

Equipment Required

Bench

Dumbbell

Exercise Type

Weight & Reps

How To Do

Sit on a bench with your torso bent forward, holding a dumbbell in one hand and keeping your back straight. With your upper arm close to your body, extend your arm backward by straightening your elbow, then slowly return to the starting position. Keep your upper arm stationary throughout the movement for best triceps activation.

Step-by-Step Instructions

Sit on a flat bench with your feet firmly planted on the ground and your torso bent forward at the hips. Keep your back straight and your chest slightly forward.
Hold a dumbbell in one hand with a neutral grip (palm facing inward) and rest your other hand on your thigh or the bench for support.
Start with your working arm bent at the elbow, holding the dumbbell near your torso.
Slowly extend your arm backward by straightening your elbow, keeping your upper arm stationary and close to your body.
Squeeze your triceps at the top of the movement when your arm is fully extended.
Slowly lower the dumbbell back to the starting position by bending your elbow.
Repeat for the desired number of repetitions, then switch arms and repeat the exercise on the other side.

Explore more triceps exercises or bench exercises in our exercise library.

Alternative Exercises

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Dumbbell Seated Bent-Over Alternate Kickback

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Barbell Seated Overhead Triceps Extension

Triceps

Bench • Barbell

EZ-Bar Lying Close-Grip Triceps Extension Behind Head

Triceps

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Frequently Asked Questions

What muscles does the Dumbbell Seated Bent-Over Triceps Extension work?: This exercise primarily targets the triceps, focusing on the long head for improved arm strength and definition. While it’s an isolation move, the rear delts and forearms may engage slightly for stability during the lift.
What equipment do I need for the Dumbbell Seated Bent-Over Triceps Extension?: You’ll need a sturdy bench and a single dumbbell. If you don’t have a bench, you can perform the movement from a sturdy chair or seated on the edge of a flat surface, ensuring your torso can lean forward comfortably.
Is the Dumbbell Seated Bent-Over Triceps Extension suitable for beginners?: Yes, beginners can perform this exercise with a light dumbbell to learn proper form and control. Focus on slow, controlled movements and keeping the upper arm stationary to avoid swinging or using momentum.
What are common mistakes to avoid during the Dumbbell Seated Bent-Over Triceps Extension?: Avoid letting your elbow drift away from your torso, as this reduces triceps engagement. Also, don’t use excessive weight that forces you to swing the dumbbell, and maintain a neutral spine without rounding your back.
How many sets and reps should I do for best results?: For strength and muscle growth, aim for 3–4 sets of 8–12 reps per arm with moderate weight. Beginners can start with 2–3 sets of 12–15 lighter reps to build endurance and perfect technique.
Are there safety tips for performing the Dumbbell Seated Bent-Over Triceps Extension?: Keep your core engaged and back straight to avoid strain on the lower back. Use controlled motion throughout especially when lowering the dumbbell to protect your elbow joint from sudden stress.
What variations can I try for the Dumbbell Seated Bent-Over Triceps Extension?: You can perform this exercise with both arms at the same time for efficiency, or use resistance bands instead of a dumbbell for joint-friendly resistance. Slightly changing the bench angle or hand grip can alter muscle engagement.