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Direction-of-travel diagram for the elbow extension pattern. Photography for the Dumbbell Skull Crusher is not shot yet.
StrengthIn review

Dumbbell Skull Crusher

A lying elbow extension that lowers two dumbbells toward the forehead with the elbows pointing upward.

This page is a working draft. A coach has not reviewed it, so read it as a starting point, not as checked instruction.

Pattern
Elbow extension
Modality
Strength
Difficulty
Beginner
Mechanic
Unknown
Force
Unknown
Laterality
Bilateral
Impact
Low
Trains where
Gym, Home
At home
Yes

How to do it

Set up

  1. Lie on a flat bench or the floor with the head and back supported.
  2. Hold one dumbbell in each hand above the chest with palms facing each other.

Do the rep

  1. Hold the upper arms near vertical and bend both elbows to bring the dumbbells toward the forehead.
  2. Stop short of contact and extend both elbows to return the weights above the chest.

What counts as a rep

One rep lowers both dumbbells toward the forehead without contact and returns both elbows to extension with the upper arms held near vertical.

One rep lowers both dumbbells toward the forehead without contact and returns both elbows to extension with the upper arms held near vertical.

Breathing

Breathe in as the dumbbells lower; exhale as you lift.

Cues

  • Control both weights.
  • Keep the wrists steady.
  • Stop the weights before they reach the forehead.

Common mistakes

  • Losing the upper-arm position

    What you seeThe elbows drift away from the stated path.

    FixUse less load and return to the stated upper-arm position.

    Controlled upper arms keep the intended elbow-extension path.

Stop the set if

  • Stop if you feel sharp pain.
  • Stop if you lose your grip or cannot control the dumbbell path.
  • End the set when you cannot meet the rep standard under control.

General educational content, not individual coaching or medical advice.

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