Barbell lying triceps extension skull crusher
The barbell lying triceps extension, also known as the skull crusher, is an isolation exercise that targets the triceps brachii. Performed lying on a bench, the exercise involves lowering a barbell towards the forehead by bending the elbows and then extending the arms back to the starting position.

At a glance
- Area
- Upper arms
- Main muscle
- Triceps
- Equipment
- Barbell
- Level
- Intermediate
Form tips
- Keep your elbows close to your head to maximize triceps engagement.
- Lower the barbell slowly to avoid hitting your forehead.
- Use a spotter if lifting heavy weights.
What to watch out for
- elbow injuries
- shoulder injuries
- limited wrist mobility
Also known as
Estensioni con bilanciere su panca piana, French press, triceps extensions, skull crushers, barbell lying triceps extension, skull crusher, triceps exercise, barbell triceps extension