DB Skull Crushers

Dumbbell Skull Crushers (How To, Muscles Worked, Benefits)

ByCoach Horton

DB Skull Crushers are a great triceps exercise that can be done with nothing more than a set of dumbbells.

Here’s how to do DB Skull Crushers, what muscles the exercise works and a few alternatives if you’re unable to do them.

How To Do DB Skull Crushers

Equipment Needed

  • Dumbbells
  • Bench (Preferrable but they can be done on the floor as in the video above)

Step-by-Step Instructions

  • Using dumbells, lie flat on a bench with your head down, and chin up. If you don’t have a bench, you can simply lie on the floor.
  • Press dumbbells to arm’s length above the shoulder.
  • Lower dumbbells to just beside ears, bending arms at elbows, keeping upper arm vertical and elbows in.
  • Return to starting position and repeat.

Coaching Points

Keep the elbows high throughout. When DB Skull Crushers start to become difficult, the natural tendency of the lifter is to drop the elbows. Keep the elbows high and tight (try not to let them flare out to the side either).

Muscles Worked

DB Skull Crushers primarily work all three heads of the Triceps Brachii – the lateral head, long head and medial head.

DB Skull Crusher Alternatives

If you’re not able to do DB Skull Crushers (or maybe you just want to change your workout up a bit), here are a few alternatives. If you’d like even more options, check out my 10 favorite dumbbell skull crusher alternatives.

Skull Crushers

The most natural alternative for Dumbbell Skull Crushers is Barbell Skull Crushers with a bar. You can use a straight barbell or an EZ Curl Bar although most lifters prefer a Curl Bar because of the angle it allows the wrist to turn.

If you don’t have dumbbells, but you have a bar, this would be my first recommendation.

Dips

Dips (1)

If you have access to a dip rack attachment or a dip station, Dips are one of the best exercises you can do to build triceps strength.

Band Triceps Pushdowns

Don’t have dumbbells, but have a resistance band? Hang the band off a rack or pull-up bar and do Band Triceps Pushdowns instead.

More Links and Info

If you’d like step-by-step instructions for more biceps and triceps exercises, check out the Arm Farm section of the Exercise Library.

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Horton Barbell was created by Ryan Horton who has served as a Strength and Conditioning Coach and Sports Scientist for almost 20 years at schools like the University of Tennessee, Temple University and Georgia Tech. The mission of Horton Barbell is to create a training resource to help as many coaches and athletes as possible maximize their potential.

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