← All exercises

Skull Crushers Dumbbell

Muscles worked

  • Tricep

Equipment

Dumbbells
Dumbbells

Form Cues

  • Lie on a flat bench with your feet flat on the floor for stability

  • Hold dumbbells with a neutral or pronated grip

  • Keep your upper arms at an angle slightly past vertical (more than 90° to torso) for constant tension

  • Only the forearms move, hinging at the elbow — keep the upper arms stationary

  • Don't let your elbows flare out

  • Lower slowly and feel the stretch at the bottom of the movement

  • Squeeze the triceps hard at full extension on the way up

Common mistakes

Built into a program made for you

Every exercise here adapts to your goals, equipment and schedule inside the app.