Exercises

Skull crusher

Upper arms tilted slightly back, lower the weight behind the head, elbows stay narrow.

Muscles worked: Triceps.FrontBack
Main
Main muscles
Triceps
Equipment
An EZ bar or a pair of dumbbells, and a flat bench.
Works for
Full gym, Dumbbells and a bench

How to do it

  1. Lie on the bench holding the weight over the shoulders with straight arms.
  2. Tilt the arms slightly back towards the head and keep the elbows narrow.
  3. Bend only at the elbows to lower the weight behind the top of the head.
  4. Straighten the arms back to the start.

Common mistakes

Breathing and tempo

Breathe out as you lift and in as you lower. Lift in about 1-2 seconds, pause briefly where the muscle is shortest, and lower in 2-3 seconds.

Make it harder or easier

Harder: More load, or a slower lowering.

Easier: Cable pushdown, or lighter dumbbells.

Sets and reps

Beginners: 2-3 sets of 10-15 reps, stopping 2-3 reps short of failure.

Building muscle: 3-4 sets of 10-20 reps, stopping 0-2 reps short of failure.

Safety

Swaps

Full gym: Triceps pushdown, Overhead triceps extension, Close-grip bench press, Close-grip push-up, Bench dip

Dumbbells and a bench: Overhead triceps extension, Close-grip push-up, Bench dip

Train it with a plan

The free Fit app builds your program, tells you the weight and reps for every set, and swaps exercises to suit where you train. No account, and only you can read your data.

Open the app