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Last updated March 30, 2026
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forearmstriceps

Triceps Extension Skullcrusher - Lying (Dumbbell)

Lie on a bench holding dumbbells straight up. Lower them down beside your ears by bending your elbows. Extend them back up to the ceiling.

Quick facts

Difficulty
Moderate
Mechanic
Isolation
Force
Push
Type
Strength
Injury Risk
Moderate
Hypertrophy
High
Calorie Burn
Low-Medium

Muscle focus

Primary and secondary muscle groups targeted by this movement.

Primary

triceps

Secondary

triceps (long)

Equipment & setup

What you need and how to position yourself before starting.

Equipment

dumbbellflat bench / sofa

Movement pattern

Bilateral

Posture

Lying

Tracking parameters

repsweight

Step-by-step instructions

Follow these cues to master proper technique and stay safe through every rep.

Instructions coming soon.
Version 1 · Created February 24, 2026