Exercise technique

barbell lying extension

The barbell lying extension, also known as a skullcrusher, is a strength exercise targeting the triceps. It involves lying on a bench and lowering a barbell towards the forehead by bending the elbows, then extending the arms back up.

How do you perform this exercise?

  1. Lie flat on a bench with your feet flat on the ground and your head at the end of the bench.
  2. Hold the barbell with an overhand grip, hands shoulder-width apart, and extend your arms straight up over your chest.
  3. Keeping your upper arms stationary, slowly lower the barbell towards your forehead by bending your elbows.
  4. Pause for a moment, then extend your arms back up to the starting position.
  5. Repeat for the desired number of repetitions.

Which other muscles are involved?

Shoulders.

How do you log your sets?

How do you track progressive overload?

Source: ExerciseDB catalogue and demonstration. Related movements are options to compare, not equivalent loads or a prescribed progression.

Alternatives to explore

STARK is a strength training tracker for iPhone and Apple Watch. Log sets, repetitions and weights, then follow your progress. Core features are free. Explore STARK’s features