Here is what the top ten major winners were doing the same in their golf swings!! Pivoting their body without restricting hip turn!! That is until Tiger started to restrict his hip turn working on a more modern swing model!! It didn't work, if he stuck with his original swing I think he would have beaten Jack Nicklaus record easily. .
The non restrictive golf swing is a powerful and consistent swing that will last you for years and anybody is capable of doing it! The modern swing requires a tremendous amount of physical strength with a shorter career because of the stress you put on your body.
So unless you are extremely physically fit like Rory why are you bothering to try and copy what they do?? Take a look at the top ten major winners and copy them Instead! ;-)