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Upper Body / Triceps

Skull Crusher

Also known as Lying Triceps Extension

TricepsEZ-BarIsolationBilateralIntermediate
Demonstration coming soon
01 /Setup

Lie on a flat bench holding an EZ-bar with arms extended and angled slightly back over the head.

02 /Execution

Bend the elbows to lower the bar toward the forehead or just behind the head, then extend back to the start.

03 /Key Cues
  • Keep the upper arms angled slightly back
  • Elbows roughly shoulder width
  • Smooth, controlled tempo
04 /Common Mistakes
  • Letting the elbows drift wide
  • Turning it into a pullover
  • Using too much load and losing control
05 /Variations
  • Dumbbell skull crusher
  • Incline skull crusher
06 /Alternatives
07 /Evidence / References

No verified references have been added for this exercise yet. This section is awaiting review — nothing here is cited until a source is confirmed.