Barbell Lying Triceps Extension "Skull Crusher"
The Barbell Lying Triceps Extension "Skull Crusher" primarily works the Triceps (Long Head) and stabilizer support from the Anterior Deltoid, Brachialis, Latissimus Dorsi, Pectoralis Major (Clavicular), Pectoralis Major (Sternal), Posterior Deltoid, Teres Major, Wrist Flexors. It is a barbell isolation exercise at intermediate difficulty.
A barbell isolation push exercise targeting the Triceps (Long Head).
| Equipment | Barbell |
|---|---|
| Difficulty | Intermediate |
| Type | Isolation |
| Movement | Extension |
| Force | Push |
| Laterality | Bilateral |
| Primary | Triceps (Long Head) |
Muscles Worked
Front
Back
Primary
Secondary
Stabilizer
Primary Muscles
- Primary Muscle Triceps (Long Head) (triceps)
Stabilizer Muscles
- Stabilizer Muscle Anterior Deltoid (shoulders)
- Stabilizer Muscle Brachialis (biceps)
- Stabilizer Muscle Latissimus Dorsi (back)
- Stabilizer Muscle Pectoralis Major (Clavicular) (chest)
- Stabilizer Muscle Pectoralis Major (Sternal) (chest)
- Stabilizer Muscle Posterior Deltoid (shoulders)
- Stabilizer Muscle Teres Major (back)
- Stabilizer Muscle Wrist Flexors (forearms)
Instructions
- Preparation: Lie on bench with narrow overhand grip on barbell. Position barbell over shoulders with arms extended. Execution: Lower bar to forehead by bending elbows. Extend arms and repeat. Comments: Slow barbell's descent as it approaches forehead. Exercise can also be performed withelbow traveling slightly back during extension. With this altered form, barbell essentially moves in straight line, up and down, over forehead. Either straight barbell or EZ barbell can be used. SeeLying Triceps Extension Benchwith rack.
Alternative Exercises
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