How to do: Bench Skull Crusher

Grab a weight and lie on your back on a bench with the weight lifted above your chest, arms straight. Lower the weight to your forehead as you keep your elbows pointed forward. Press the weight back up to the straight arm position and repeat.

Join the millions of exercisers who use Workout Trainer to get fit, fast! Go PRO+ today to unlock the best mobile workout experience, plus all custom training programs!