Lying Dumbbell Skullcrushers

How to do the Lying Dumbbell Skullcrushers

Begin this exercise by lying with your back on the ball with your shoulder blades firmly planted into the ball. With your hips raised parallel to the floor and your elbows perpindicular to your chest slowly lower the weights until they reach the top of your forehead and then raise them back to the top.

Dumbbell Skullcrusher Spotter Information:

Kneel behind the exerciser making sure they lower the weights slowly.


This is a slightly dangerous exercise because the dumbbells are near your face. Make sure you have a spotter nearby. This is an advanced tricep exercise but it can be used at home with dumbbells and an exercise ball.

These are the muscles , equipment and categories of this exercise.

  • PRIMARY: Tricep
  • Isolation
  • Exercise Ball
  • Swiss Ball
  • Upper Body
  • Freeweight

Averages for MyFit Users

The table below represents data from over 200,000 exercise logs and gives us an average for this exercise.

Average Weight LiftedAverage Reps One Rep Max Average
23.2 lbs12.3 33.7 lbs

What is a good starting weight?

Based on an average weight lifted of 23.2 lbs for all MyFit users we suggest you start at 50% of that weight:

Try 12 lbs and aim for 12-15 reps.


Workouts Plans with Lying Dumbbell Skullcrushers

Purpose Type Level
Muscular Definition Beginner
Muscular Definition Beginner
Muscular Definition Intermediate
Sport Specific Intermediate

Make a Workout

Crafting a workout for the gym is extremely important. Consideration should be maintained throughout your designing process. If you just want to find one to use we offer plenty here. If you want to make your own you can start now.

Tracking Your Weights

There are lots of easy ways to track your sets and reps. One easy way is through a little book that you can take with you to the gym. This book has progress charts, workouts and lots of tools you can use to always make sure you are improving.