Skull Crusher

Skull Crusher is one of the top triceps exercises using barbell. Full breakdown of proper form, common mistakes and FAQs.

How to perform it

• Set up in the proper position for skull crusher with a stable base.
• Execute the movement slowly under full control — 2–3s eccentric.
• Maintain steady breathing — exhale on the effort.
• Repeat 8–12 reps × 3–4 sets with 60–90s rest.

Tips

• Form before weight, always.
• Film yourself to review form.
• Progressive overload weekly — add weight or reps.

Common mistakes

• Rushing reduces time under tension.
• Skipping warm-ups increases injury risk.

How many sets and reps of Skull Crusher should I do?

3–4 sets × 8–12 reps for hypertrophy, or 4–5 × 4–6 for strength, with 90–180s rest.

Is Skull Crusher good for beginners?

Skull Crusher requires a strength base. If you're new, work easier variations for the same muscle first.

What are the best alternatives to Skull Crusher?

It depends on your equipment. Similar tools (dumbbells for barbell, machines for free weights) provide comparable stimulus. See the "Related exercises" section on this page.

Can I do Skull Crusher every day?

Not recommended for lifting — muscles need 48 hours to recover. 3–4x/week is optimal. Light cardio can be daily.

How many calories does Skull Crusher burn per minute?

Roughly 6–9 kcal/minute depending on your weight and intensity.