klockdoc said:
First off, without any animosity, I would like to know the answer to this question. Not specifically to find out who is wrong, but, to see if I should continue to experiment with my assumptions on gripping. I would like to hear the reasoning behind this theory so as to make my own decisions.
This kind of what am experimenting with. Certain shots dictate different positions/grips on the cue. Thanks for the confirmation on my thought process.
There are others far more capable of providing the scientific reasons for forearm perpendicularity but this is my understanding.
1. The pool stroke is actually somewhat like a pendulum in that the but doesn't move exactely back and forth but also somewhat up and down..
If your forearm is perpendicular at the moment of CB contact, then it will be at the bottom of the pendulum motion and it will therefore, be more likely that you will strike the cb at the intended spot.
2. The forward stroke involves contraction of muscles and excessive contraction such as would occur as the angle between your forearm and upper narrows will inhibit the freedom of the stroke.
3. You want to strike the CB while the cue is accelerating and the more the angle between forearm and upper arm contracts, the slower the cue speed will become.
As Bob Jewett pointed out, many players back in the day and some to this very day hold their cues such that the forearm is slightly forward of the perpendicular. But he is also correct that if you look at top players today, you will see that a HUGE majority of them have adopted the perpendicular to the cue, method.
Finally, perpendicular to the cue vs. to the floor (vertical) is not an insignificant issue as some would have you believe.
There are NUMEROUS ordinary shots where the cue angle must be significantly elevated. Draw shots with the CB near a rail and shots jacked up over an intervening OB are just two examples. On such shots, if you took the advice of holding the forearm vertical, then it would be angled meaningfully forward (less than 90 degrees).
So, IF you are going to hold the arm properly, according to modern theaching, when the cue is nearly level, it is simple logic that you should hold it properly when the cue is not level. Anything short of that would be intentionally inferior mechanics....according to modern teaching.
Regarding placing the grip hand at different places on the butt, that is not necessarily in opposition to the "perpendicular rule."
Given my bridge length, stance etc. the perpendicular position with a nearly level stroke has my grip hand about one inch forward of the end of the wrap. But on a draw shot with the CB near a rail, my grip hand must be an inch or two forward in order to achieve the perpendicular forearm. And on shots where I need to stretch out...say with the CB at center table for a corner pocket shot, my grip must be at the very end of the butt.
And by the way, I sensed no animosity whatever in your inquiry. Simple debate/discussion and the presentation of opposing views is not at all objectionalbe to me. Others seem to feel differently about their views being contradicted.
Regards,
Jim