BYT

Isolation · Barbell · Add load

Skull crusher

Lie on a bench with the upper arms tipped slightly back toward your head, elbows pointing forward, bar over the forehead.

Skull crusher
  1. 1Bend only the elbows and lower the bar toward the top of the head, not the nose.
  2. 2Keep the upper arms still. Don't let them drift forward into a press.
  3. 3Straighten the elbows without flaring them out to the sides.

Easy to miss: Dropping the bar at the forehead with the arms straight up, or letting the elbows fly out.

Muscles

Copper on the figure is a prime mover. The softer tone helps.