Guillotine Press - Instructions, Variations & Alternatives
Muscles involved
Section titled “Muscles involved”- Pectorals
 
- Deltoids
 - Triceps
 
Also known as
Section titled “Also known as”- Gironda Neck Press
 
How to perform
Section titled “How to perform”
  Guillotine Press - Starting position
  Guillotine Press - Muscle Under Tension
- 
Set up & Starting position (lying)
Lie flat on the bench and grab the bar with an overhand, slightly wider than shoulder-width grip. Retract scapula and tuck your shoulders down and back. Drive your feet into the floor and brace your core. Unrack the bar and hold it over your shoulders. - 
Eccentric phase
Breathe in and slowly lower the weight towards your neck. Make sure your elbows stay flared out to the sides (roughly in line with your shoulders). - 
Isometric hold (optional) - Pause at the bottom.
 - 
Concentric phase
Press the weight back up squeezing the pectorals. Repeat. 
The Guillotine Press is a variation of the Chest Press that focuses more specifically on the upper chest.