Lying One-Arm Supinated Dumbbell Triceps Extension — start position
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Lying One-Arm Supinated Dumbbell Triceps Extension — end position
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Arms / Beginner / Isolation (single joint)

Lying One-Arm Supinated Dumbbell Triceps Extension

A lying single-arm dumbbell extension with a palms-up grip that isolates 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. Lie on a flat bench holding a dumbbell in one hand with a palm-up grip, arm extended above your shoulder.
  2. Keeping the upper arm still, bend the elbow to lower the dumbbell toward your head.
  3. Extend the elbow to return to the top.
  4. Complete the set and switch arms.

Tips

  • Move only at the elbow.
  • Lower with control near your face.

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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.