dumbbell lying single extension

A upper arms exercise targeting the triceps, performed with dumbbell.

dumbbell lying single extension demonstration
dumbbell lying single extension — demonstration

Body part

Upper Arms

Equipment

Dumbbell

Target muscles

Triceps

Secondary muscles

Shoulders

How to do dumbbell lying single extension

  1. Lie flat on a bench with a dumbbell in one hand and your arm fully extended above your chest.

  2. Lower the dumbbell in a controlled manner towards your forehead, keeping your upper arm stationary.

  3. Pause briefly at the bottom of the movement, then extend your arm back to the starting position.

  4. Repeat for the desired number of repetitions, then switch arms.

Muscles worked

Primary (target)

Triceps

Secondary

Shoulders

Related exercises

All upper arms exercises →

Track dumbbell lying single extension in NutriMind

Log your sets and the app does the rest — automatic PR detection, progression charts for every lift, and progressive overload that adjusts your next workout. Paired with AI nutrition coaching so your training and your plate pull in the same direction.

Planning your next heavy session? Estimate your max with the One Rep Max Calculator and build up to it with the Warm-up Calculator. More free tools →