Skull Crushers
Lying tricep extension — one of the most effective exercises for building overall tricep mass. Targets all three heads with particular emphasis on the long...
Difficulty
intermediate
Category
strength
Primary Muscles
Triceps
Equipment
Barbell, Bench
How to Perform
- Lie on a bench with an EZ-bar or straight bar, arms extended above your chest
- Keep your upper arms angled very slightly back (toward your head)
- Lower the bar by bending your elbows, bringing it toward the top of your head or just behind it
- Extend back to the start position by squeezing your triceps
- Keep your elbows pointing at the ceiling throughout
Tips
- Keep your elbows pointing at the ceiling and shoulder-width apart — flaring them out is the most common form mistake
- No barbell? Dumbbells work well, or use a cable machine lying on a bench for constant tension
- Use a 3 second descent and a 1-2 second press — the slow lowering phase under stretch is what makes this exercise so effective
- Going too heavy and losing elbow control is dangerous — start lighter until the movement pattern is locked in
- Feel the stretch in all three tricep heads at the bottom and squeeze to full lockout at the top — the triceps should burn, not your elbows
Essential Equipment
| Equipment | Why You Need It | Our Pick | Review |
|---|---|---|---|
| Barbell | EZ curl bar reduces wrist strain during the extension | Olympic EZ Curl Bar | Read Review |
| Weight Bench | Flat bench provides the stable base you need for lying extensions | Flybird Adjustable Bench | Read Review |
| Weight Plates | Progressive loading for steady tricep development | Bodymax Olympic Plates | Read Review |
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