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Skull Crusher

Lying tricep extension — lower toward the forehead, then extend.

dumbbellintermediateFilm: side
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AI form check · side view
Full movement, looped — roughly what the AI tracks when it scores your reps.Demo footage · Pexels

Muscles worked

Triceps
Front deltoids
PrimarySecondaryStabilizer

Form tips

  • Lie on a bench, arms up.
  • Bend only at the elbows to lower, then extend to lockout.

Watch the loop a couple of times, then match the tempo and range of motion.

Note: Use a weight you can stop safely near your face.
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