Select Page


The Dumbbell Skullcrusher is an upper body exercise that primarily targets the triceps. This is an isolation exercise which is well suited to beginner lifters.


  • Bodyweight skullcrusher


  • Move your elbows back towards your head when the dumbbells are at their lowest position to get more of a stretch on the tricep.


  • Hold two dumbbells directly above your shoulders, with your palms facing each other.
  • Bend your arms at the elbow, lowering the dumbbells until they are behind your head, then extend your arms back to the starting position by squeezing your triceps.
  • Keep your elbows tucked in at all times.

Arm Muscle Diagram.

Arm Muscles