Arms

Skull crusher

The skull crusher lowers a bar toward your forehead while lying on a bench, then extends your elbows to press it back up.

Primary
Triceps
Secondary
None
Equipment
EZ bar
Type
isolation

Why it earns a spot

It loads the triceps in a lengthened position, which makes it a strong growth movement when your elbows tolerate it.

How to do it

  1. Lie on a bench holding an EZ bar over your chest with your arms straight and hands about shoulder width.
  2. Keep your upper arms still and angled slightly back over your head.
  3. Bend your elbows to lower the bar toward your forehead or just behind your head.
  4. Stop when you feel a deep stretch in your triceps.
  5. Extend your elbows to push the bar back to the start without moving your upper arms.

Common mistakes

  • Letting your elbows flare wide; keep them pointed at the ceiling.
  • Using so much weight that your upper arms move; lighten it so only the forearms hinge.
  • Lowering too fast near your face; control the descent.

How to program it

SetsRepsRest
38-1260-90 sec

Add reps to 12, then add the smallest plate you have. If your elbows ache, switch to cable or dumbbell overhead extensions.

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Log every skull crusher set.

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