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HyperBody
Exercise library · Arms

Skull Crusher (EZ Bar).

Isolation triceps extension performed lying down.

Also known as: EZ Bar Skullcrusher, French Press, Lying Triceps Extension, EZ Bar Triceps Extension

IntermediateEZ bar
The numbers
Sets
3–4
Reps
8–12
Rest
45–75 s
The play-by-play

How to do it.

  1. Step 01

    Lie flat holding EZ bar over chest

  2. Step 02

    Lower bar to forehead by bending elbows

  3. Step 03

    Keep upper arms fixed

  4. Step 04

    Extend elbows to press bar back up

  5. Step 05

    Repeat carefully

What separates good from great

Pro cues.

  • Use spotter for safety

  • Don't flare elbows outward

  • Stop short of locking elbows harshly

Common questions

Questions, answered.

What is the Skull Crusher (EZ Bar)?
Isolation triceps extension performed lying down.
What muscles does the Skull Crusher (EZ Bar) work?
The Skull Crusher (EZ Bar) primarily works your triceps.
What equipment do I need for the Skull Crusher (EZ Bar)?
You need an EZ bar to perform the Skull Crusher (EZ Bar).
How many sets and reps should I do for the Skull Crusher (EZ Bar)?
A typical prescription for the Skull Crusher (EZ Bar) is 3–4 sets of 8–12 reps. Rest about 45–75 seconds between sets.
Is the Skull Crusher (EZ Bar) good for beginners?
The Skull Crusher (EZ Bar) is best suited to intermediate lifters. Beginners can do it with light weight and close attention to form before progressing.

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