Dumbbell Skull Crusher Mistakes to Avoid
Elbows flaring — keep them pointing at the ceiling, roughly shoulder-width.
Upper arms moving — only forearms move. If upper arms swing, you're losing isolation.
Dumbbells drifting apart — maintain control. The independent arms demand more stabilization.
Going too heavy — each arm works alone, so use less total weight than barbell skull crushers.
Dumbbell Skull Crusher FAQ
Dumbbell or barbell skull crushers?
Dumbbells: independent arms, neutral grip, less elbow stress. Barbell: heavier loads, consistent path. Use dumbbells if elbows hurt on barbell, or alternate both.
Neutral or pronated grip?
Neutral (palms facing each other) is more natural and wrist-friendly for dumbbells. It also allows a path slightly outside the head which some find more comfortable.
How heavy for dumbbell skull crushers?
Roughly 40-50% per hand of what you'd use on barbell skull crushers. If you skull crush 30kg barbell, try 10-12kg dumbbells per hand.
Are these easier on the elbows?
Generally yes — the neutral grip and freedom to find your natural path reduce tendon stress. If barbell skull crushers bother your elbows, try dumbbells before giving up on the movement entirely.