Barbell Lying Triceps Extension Skull Crusher

Body Part: Arms

Muscle: Triceps

Equipment: Barbell

Barbell Lying Triceps Extension Skull Crusher is an exercise for arms and shoulders that uses barbell and Flat bench to build useful training quality through controlled movement. The Barbell Lying Triceps Extension Skull Crusher is a direct triceps exercise done on a flat bench. The main goal is to perform each repetition with enough control that the target area, posture, and breathing stay consistent from the first rep to the last.

The primary emphasis is triceps, while forearms and front shoulders assist with stability and clean execution. In anatomy terms, the main work centers on the triceps brachii, with help from Wrist flexors and Anterior deltoids. The bar lowers toward the forehead, so the name describes the path.

A strong set starts with the setup, because the starting position determines whether the rest of the repetition feels stable or rushed. Lie on a flat bench and hold the barbell above your chest with your arms extended. Set your shoulder blades against the bench and keep your wrists firm. Bend your elbows to lower the bar toward your forehead under control. Keep the body organized before you move so the working muscles can guide the exercise instead of momentum taking over.

During the repetition, use the instructions as direct coaching cues rather than trying to force a bigger range than you can control. Keep your elbows from flaring wide as the bar descends. Extend your elbows to raise the bar back to the starting position and squeeze the triceps. Extend your elbows to raise the bar back to the starting position and squeeze the triceps.

The best training effect comes from clean, repeatable reps rather than rushing for a higher count. Start light and build load only when the bar path is predictable. Keep the upper arms steady instead of swinging from the shoulders. Lower slowly so the bar never drops toward your head. Use a spotter or safety setup if you are training near failure.

Use Barbell Lying Triceps Extension Skull Crusher in the part of the workout where focused technique and controlled tension fit your goal, such as a warmup, accessory block, core session, or targeted strength circuit. Stop short of painful elbow ranges. They should stay mostly fixed, but a small amount of natural movement is fine if the triceps stay loaded and the shoulders feel comfortable. It primarily trains the triceps, with the forearms and front shoulders helping stabilize the bar.

Instructions

• Lie on a flat bench and hold the barbell above your chest with your arms extended.
• Set your shoulder blades against the bench and keep your wrists firm.
• Bend your elbows to lower the bar toward your forehead under control.
• Keep your elbows from flaring wide as the bar descends.
• Pause just above the forehead or slightly behind it without letting the bar drop.
• Extend your elbows to raise the bar back to the starting position and squeeze the triceps.
• Keep your wrists stacked and avoid a hard elbow lockout if your joints feel sensitive.
• Repeat with a predictable bar path near the same point each rep.

Tips & Tricks

• Start light and build load only when the bar path is predictable.
• Keep the upper arms steady instead of swinging from the shoulders.
• Lower slowly so the bar never drops toward your head.
• Use a spotter or safety setup if you are training near failure.
• Stop short of painful elbow ranges.
• Use an EZ bar if a straight bar bothers your wrists or elbows.
• Keep the elbows close to shoulder width rather than letting them flare wide.
• Do not bounce out of the bottom; pause only while the bar is fully controlled.

Frequently Asked Questions

Why is it called a skull crusher?

The bar lowers toward the forehead, so the name describes the path. It should always be performed with control and an appropriate load.

Should my elbows stay completely still?

They should stay mostly fixed, but a small amount of natural movement is fine if the triceps stay loaded and the shoulders feel comfortable.

What muscles does it work?

It primarily trains the triceps, with the forearms and front shoulders helping stabilize the bar.

Where should the bar go during Barbell Lying Triceps Extension Skull Crusher?

Lower the bar toward your forehead or slightly behind it, stopping where your elbows stay comfortable and the bar remains controlled.

Should I use a spotter for skull crushers?

A spotter is helpful when the weight is challenging because the bar travels near your face. Safety arms or an EZ bar can also make the setup feel more secure.

Why do my elbows flare during skull crushers?

The weight may be too heavy or your grip too narrow. Reduce the load and keep the elbows close to shoulder width.

Can beginners do Barbell Lying Triceps Extension Skull Crusher?

Yes, with a light bar and careful control, but many beginners find an EZ bar or cable triceps extension easier on the elbows.