Skip to main content

One arm overhead extension

Step by step instructions, muscle activation and variants for the One arm overhead extension.

EasyTriceps

About this exercise

The dumbbell standing one-arm extension is an effective exercise for isolating and targeting the triceps, helping to build strength and muscle definition in the back of the upper arm.

How to Perform

  • Stand with your feet shoulder-width apart, holding a dumbbell in one hand with your arm fully extended above your head.
  • Keep your core engaged and your back straight throughout the exercise.
  • Bend your elbow to lower the dumbbell behind your head, keeping your upper arm stationary.
  • Extend your arm back to the starting position by straightening your elbow.
  • Repeat the movement, maintaining control and proper form throughout.
  • Switch arms and repeat the exercise for the other side.

Muscle Activation

Primary
Triceps

About the One arm overhead extension

The One arm overhead extension is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.