Single Arm Dumbbell Overhead Extension: How-to, Tips & More

The Single Arm Dumbbell Overhead Extension is a beginner isolation exercise for your triceps. You do it with dumbbells, one side at a time. It is a good fit when your goal is muscle growth.

Muscles worked

Triceps muscle

Triceps

Primary

How to do the Single Arm Dumbbell Overhead Extension

  1. Stand tall and hold one dumbbell overhead with a straight arm.
  2. Keep your upper arm close to your head.
  3. Bend your elbow to lower the dumbbell behind your head.
  4. Straighten your arm, then switch sides after the set.

Single Arm Dumbbell Overhead Extension tips

  • Support the working arm with your free hand if it drifts.

Sets and reps

Most lifters do well with 10 to 15 reps per set, and 10 to 15 reps is where this exercise tends to work best. Use a weight that leaves one or two reps in reserve on every set, and add weight once you can complete all your sets at the top of the range. It also works well in a superset with an exercise for the opposite muscles. You can finish with a drop set when you want extra volume.

Equipment

Dumbbells

Type

Isolation

Single Arm Dumbbell Overhead Extension alternatives

More triceps exercises

Frequently asked questions

What muscles does the Single Arm Dumbbell Overhead Extension work?

The Single Arm Dumbbell Overhead Extension mainly works your triceps.

How many sets and reps should I do?

A good starting point is 10 to 15 reps per set, and many lifters get the best results between 10 to 15 reps. Use a weight that leaves one or two reps in reserve.

Is the Single Arm Dumbbell Overhead Extension good for beginners?

Yes. The Single Arm Dumbbell Overhead Extension is considered beginner and is a good choice if you are new to training. Start light and focus on form.

What equipment do I need for the Single Arm Dumbbell Overhead Extension?

You need dumbbells.

Single Arm Dumbbell Overhead Extension demonstration

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