Many golfers can not get into a proper set up position and posture because their hamstrings are too tight to allow the straightening of the back, so before you tee off or practice work on stretching out your hamstrings so that you can work the golf swing properly around a straight back
Ben Hogan dedicated nineteen pages in his book to the grip which is mainly in the fingers and palms
The final definition of the golf swing is the complete swing motion, which requires extreme coordination to connect the swing basics and fundamentals