So of course you know:
All the lessons in the world aren’t helpful if your body isn’t flexible, at ease, balanced or able to do what your instructor suggests. If it is not able to move or move the way you wish then you are working against yourself. Having correct posture, and easy swing, being able to adjust your movements while playing are critical. Of course this is true for any sport.
This is where Structural Integration comes in and is very helpful while wildly improving your game. Make this a critical part of your golf work out or regime in self care.