I basically agree with DG, but Hip Action does have a direct influence on the shoulder turn. Whether it is an area that needs attention depends on how well it works and how automatic it has become:
10-15 Hip action
10-15-A: Standard The Hips initiate and lead throughout - pulling the Shoulders in both directions
10-15-B: Delayed /..../ The hips then take over and lead and power the Downstroke Shoulder turn /....../
Then of course you have Short and Zero (C & D) that doesn't lead the shoulder turn in the down stroke but they are hardly relevant in full motion.
Hybrid Mode
