barbell lying triceps extension skull crusher

How to do it

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