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Skull Crusher
aka Lying Tricep Extension
Isolation Barbell & Rack Isolation
Triceps
Rep range: 8–12 · Arm Dominant
Cues
- ✓ Hold barbell or EZ-bar straight above shoulders on flat bench
- ✓ Lower bar toward forehead or crown by hinging at elbows
- ✓ Extend elbows to return to starting position
Common Mistakes
- ✗ Flaring elbows outward excessively
- ✗ Allowing upper arms to swing forward and backward