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.
Step by step instructions, muscle activation and variants for the One arm overhead extension.
Common mistakes content is coming soon.
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.