Dumbbell Skull Crusher on Floor

How to do it

Keep your wrists straight and aligned with your forearms throughout.

1. 1

   Lie on the floor with a dumbbell in each hand, arms extended towards the ceiling.

2. 2

   Hinge at the elbows, lowering the dumbbells towards your forehead.

3. 3

   Keep your upper arms still; the movement should only occur at the elbows.

4. 4

   Extend your arms back to the starting position, squeezing your triceps at the top.

5. 5

   Repeat for the desired number of repetitions.

Common mistakes

• ✕Letting the upper arms drift backward
• ✕Flaring the elbows outward away from the head
• ✕Dropping the weights rapidly toward the head