Another shocking revelation for you huh? Well, there is a scientific basis for this tip of mine so let me explain.
Our muscles fibers are comprised by motor units. These motor units are governed by the “all-or-none” principle. What this means is once the group of muscle fibers get the signal to contract, they all respond together. So its either they respond or they don’t. In the case of benching a weight above your chest, the same thing happens.Our chest or “pectoralis” muscle spans a wide attachment line along the sternum where it originates and inserts into your humerus bone ( Your upper arm). When you use lift a barbell, all the muscle fibers that is involved in the movement fire up.
But your next question would probably be…” why not all the way down to your chest since you feel the contraction more right“? Actually, the contraction you feel is a tug on your tendons. Once your elbows go past your body when doing a bench press, you’re already hyperextending your shoulder. Now unless you love your shoulders more than you love your personal record on the bench press, I suggest you stop when your arms are parallel to your body.
So, do you still want to go full range?