Barbell Skull Crusher

The barbell skull crusher is a lying triceps extension performed with a straight barbell. It overloads all three heads of the triceps with a heavy pressing-style movement while the elbows stay fixed overhead.

Category
Strength
Difficulty
Beginner
Movement
Isolation
Bodyweight
No
Triceps muscle illustration
Sculpt
How to

How to do the Barbell Skull Crusher

  1. 01

    Lie flat on a bench holding a straight barbell with a shoulder-width pronated grip, arms extended above your chest.

  2. 02

    Keeping your upper arms vertical, hinge at the elbows to lower the bar toward the top of your forehead.

  3. 03

    Stop just before the bar touches your forehead.

  4. 04

    Drive the bar back up by extending at the elbows.

  5. 05

    Squeeze the triceps at the top without fully locking out.

  6. 06

    Repeat for the desired number of repetitions.

Performance tips

Cues that matter

  • Keep the elbows pointed toward the ceiling — do not let them flare out.
  • Use a slow eccentric to protect the elbows.
  • Start with lighter loads than a dumbbell version since the bar locks the wrists into a fixed position.
Muscles

Muscles worked

Common questions

Frequently asked

What muscles does the Barbell Skull Crusher work?

The Barbell Skull Crusher primarily targets the Triceps.

Is the Barbell Skull Crusher a compound or isolation exercise?

The Barbell Skull Crusher is an isolation exercise, meaning it focuses on a single muscle group through one joint movement.

What equipment do I need for the Barbell Skull Crusher?

You need the following equipment: Barbell, Weight Plates, Bench.

What difficulty level is the Barbell Skull Crusher?

The Barbell Skull Crusher is rated as beginner difficulty. It is suitable for those new to resistance training.

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