Triceps · Dumbbell · Beginner

How to do Dumbbell One Arm Triceps Extension (On Bench)

The dumbbell one arm triceps extension (on bench) is an isolation exercise targeting the triceps, performed while seated on a bench. It involves extending the arm overhead with a dumbbell to work the triceps, with the shoulders acting as a secondary stabilizer.

Dumbbell One Arm Triceps Extension (On Bench) demonstration
Primary muscle
Triceps
Also works
Shoulders
Equipment
Dumbbell
Level
Beginner
Category
Triceps

How to do Dumbbell One Arm Triceps Extension (On Bench), step by step

  1. Sit on a bench with your back straight and feet flat on the ground.
  2. Hold a dumbbell in one hand and place your other hand on the bench for support.
  3. Raise the dumbbell overhead, keeping your upper arm close to your head and your elbow pointing forward.
  4. Lower the dumbbell behind your head by bending your elbow, keeping your upper arm stationary.
  5. Extend your arm back up to the starting position, fully straightening your elbow.
  6. Repeat for the desired number of repetitions, then switch arms.

Muscles worked

Dumbbell One Arm Triceps Extension (On Bench) works your triceps as the main mover, with help from your shoulders.

Track Dumbbell One Arm Triceps Extension (On Bench) in SPLYT

Dumbbell One Arm Triceps Extension (On Bench) is already in SPLYT’s exercise library. Log your sets, reps and weight on iPhone or Apple Watch, with last time’s weights already filled in.

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