Seated One-Arm Overhead Triceps Extension — start position
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Seated One-Arm Overhead Triceps Extension — end position
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Arms / Beginner / Isolation (single joint)

Seated One-Arm Overhead Triceps Extension

A seated overhead triceps extension with one dumbbell that emphasizes the long head of the triceps.

At a glance

Primary
Triceps
Equipment
Dumbbells, Bench
Movement pattern
Elbow extension
Level
Beginner
Type
Arms, Isolation (single joint), One side at a time

Loads the elbow. Use a load you can control and skip it if it causes pain.

How to do it

  1. Sit on a bench holding a dumbbell in one hand, arm straight overhead; hold the bench with the other hand.
  2. Keeping your upper arm next to your head, bend the elbow to lower the dumbbell behind your head.
  3. Extend the elbow to raise the dumbbell overhead again.
  4. Finish the set and switch arms.

Tips

  • Keep the elbow pointing up, not out.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip (Front)Abs (Front)Obliques (Front)Hip flexors (Front)Quads (Front)Adductors (Front)Shins (tibialis) (Front)Calves (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps — primary (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes (Back)Hamstrings (Back)Adductors (Back)Calves (Back)
FrontBack
  • Primary: Triceps

Best for

How specific this exercise is to each movement.

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Illustration: Everkinetic (everkinetic.com), CC BY-SA 4.0.