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Post by imperfectgolfer on Jan 26, 2013 0:58:48 GMT -5
Dariusz,
You wrote-:
"As regards active/passive release -- what do you see wrong in such a statement (that's a shortcut, thus, do not criticize it as a detailed explanation, it's just an example of an idea which Cotton could have had):
- the better is the body motion and all important elements the better are chances for an unintentional push release to become;
- if the body is not so able as it wants to be, wrists starts EARLIER either to flex (slap-hinge) or forearms to rotate (crossover) because momentum calls for getting rid of excessive energy, torques must de-torque, etc.
- the above actions are free of conscious thoughts and totally subdued to physics and anatomy."
I understand where you derive all these beliefs - and that's probably why you use the term "unintentional" so frequently - and there is no doubt in my mind that an unintentional cross-over release is more likely in golfers whose arms outrace their body rotation and who therefore have a CF-arm release action. By contrast, golfers who use a CP-arm release action, where the body and arms rotate inside-left in synchrony, are more likely to unintentionally use a push release action. I also think that an unintentional slap hinge release (that is passive) is more common in golfers who stall both their pivot motion and their left arm forward motion at impact.
However, I refuse to believe in unintentional golf swing actions when I think of the problem of how to best execute optimum golf swing biomechanics. I believe that every biomechanical action in a golf swing must be intentional, and not in the sense of requiring conscious thought during a golf swing action, but in terms of the inner logic of every golf swing biomechanical action having a well-defined purpose. I therefore thought deeply about hand release actions during the past 2 years, and I refined my thinking on how to ensure that there should be no unintentional hand release action during the clubhead's travel through the impact zone (between P6.9-P7.1). In other words, I believe that the clubface/CH path must be stable between P6.9-P7.1, and I believe that there should be no roll motion or flipping motion of the clubface during this time period - and this requires the use of a drive-hold release action. I thought about the biomechanics that would be required to create a DH-release action, and I worked out that there had to different biomechanical types - depending on whether a golfer is a swinger, swing-hitter or hitter. I have described the biomechanics underlying these different DH-release actions in my review papers. I am continuing to refine them, but I think that they are many orders of magnitude more refined (precisely defined) than the biomechanically vague comments made by Cotton. I particularly believe in the concept of playing golf with an intact LAFW throughout the entire downswing and early followthrough (from P4 to P7.3+) because it markedly simplifies the biomechanical motions needed to intentionally control the clubhead/clubface through the impact zone.
If you disagree, that's perfectly OK, because in this forum one can freely label another forum member's opinions re: golf swing biomechanics/mechanics as being wrong-headed (idiotic). I am used to that type of criticism from many golfers - especially BM groupies. I, of course, feel the same way about BM's ideas regarding hand release actions, and I think that they are totally illogical and devoid of biomechanical coherency. I think that Cotton's expressed opinions are far too inchoate to be worthy of study, and I would never think of writing a review paper on his ideas re: hand release actions through the impact zone.
Jeff.
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Post by Dariusz J on Jan 26, 2013 9:42:55 GMT -5
Lynn Blake asked a question to homer Kelley . Kelley asked him 7 . I doubt that Blake had much time with Kelley and he was out of golf for what 20 odd years . I'm going to be honest . I find it ridiculous that people rant on about Tgm without having a clue I got one more question for you D . If homer was so into shaft lean and handle dragging why did he call all releases " throws"? Bullet, Ha. This is the answer I want to hear in my process of learning new things. So, Blake has no credibility and misrepresents what Kelley originally wanted to say. You've just made me make a step forward to re-read the book (I admit I glanced through it once or twice without enthusiasm). As regards handle dragging and shaft leaning -- as explained, I took it as true because of Blake and various TGM AIs on fora who recommended just this approach to, first, build these basic and acquired motions, then to full swing. Taking your words into my heart I just scrolled the book quickly and, indeed, found no remarks about handle dragging. A first plus for Kelley. What next should I pay attention to ? Cheers |
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Post by Dariusz J on Jan 26, 2013 9:59:54 GMT -5
Dariusz, You wrote-: " As regards active/passive release -- what do you see wrong in such a statement (that's a shortcut, thus, do not criticize it as a detailed explanation, it's just an example of an idea which Cotton could have had):
- the better is the body motion and all important elements the better are chances for an unintentional push release to become;
- if the body is not so able as it wants to be, wrists starts EARLIER either to flex (slap-hinge) or forearms to rotate (crossover) because momentum calls for getting rid of excessive energy, torques must de-torque, etc.
- the above actions are free of conscious thoughts and totally subdued to physics and anatomy." I understand where you derive all these beliefs - and that's probably why you use the term "unintentional" so frequently - and there is no doubt in my mind that an unintentional cross-over release is more likely in golfers whose arms outrace their body rotation and who therefore have a CF-arm release action. By contrast, golfers who use a CP-arm release action, where the body and arms rotate inside-left in synchrony, are more likely to unintentionally use a push release action. I also think that an unintentional slap hinge release (that is passive) is more common in golfers who stall both their pivot motion and their left arm forward motion at impact. However, I refuse to believe in unintentional golf swing actions when I think of the problem of how to best execute optimum golf swing biomechanics. I believe that every biomechanical action in a golf swing must be intentional, and not in the sense of requiring conscious thought during a golf swing action, but in terms of the inner logic of every golf swing biomechanical action having a well-defined purpose. I therefore thought deeply about hand release actions during the past 2 years, and I refined my thinking on how to ensure that there should be no unintentional hand release action during the clubhead's travel through the impact zone (between P6.9-P7.1). In other words, I believe that the clubface/CH path must be stable between P6.9-P7.1, and I believe that there should be no roll motion or flipping motion of the clubface during this time period - and this requires the use of a drive-hold release action. I thought about the biomechanics that would be required to create a DH-release action, and I worked out that there had to different biomechanical types - depending on whether a golfer is a swinger, swing-hitter or hitter. I have described the biomechanics underlying these different DH-release actions in my review papers. I am continuing to refine them, but I think that they are many orders of magnitude more refined (precisely defined) than the biomechanically vague comments made by Cotton. I particularly believe in the concept of playing golf with an intact LAFW throughout the entire downswing and early followthrough (from P4 to P7.3+) because it markedly simplifies the biomechanical motions needed to intentionally control the clubhead/clubface through the impact zone. If you disagree, that's perfectly OK, because in this forum one can freely label another forum member's opinions re: golf swing biomechanics/mechanics as being wrong-headed (idiotic). I am used to that type of criticism from many golfers - especially BM groupies. I, of course, feel the same way about BM's ideas regarding hand release actions, and I think that they are totally illogical and devoid of biomechanical coherency. I think that Cotton's expressed opinions are far too inchoate to be worthy of study, and I would never think of writing a review paper on his ideas re: hand release actions through the impact zone. Jeff. Jeff, Provided we assume all three releases are intentional, no doubt you are totally right. It is much easier and much more effective to maintain the wrists angles than e.g. purposedly flick wrists or crossover forearms. Moreover, it is worthy to reach this goal since no doubt impact conditions will be improved. My 'crusade' was and still is aimed only at those who negate completely some physical possibilities while it is being easily proved that, albeit not optimal, it is still a good option, especially for those who simply cannot match requirements for using push release. I am often using the word "unintentionally" because on my own example, I do not believe other hackers similar to myself used slapping and hinging motion on purpose. As regards greats such as Vardon, Mehlhorn, Cotton or Couples -- I do not know. But I know one thing that physics cares for such action of wrists very well and anatomy does not interfere (there is flexion both palmar as well as dorsal in the RoM of wrists). Geometry, OTOH, is just a artificially imposed convence. It is a good discussion here now and I am not regretting to be here now. Cheers |
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Post by imperfectgolfer on Jan 26, 2013 12:39:35 GMT -5
Dariusz You wrote-: " Provided we assume all three releases are intentional, no doubt you are totally right. It is much easier and much more effective to maintain the wrists angles than e.g. purposedly flick wrists or crossover forearms. Moreover, it is worthy to reach this goal since no doubt impact conditions will be improved.
My 'crusade' was and still is aimed only at those who negate completely some physical possibilities while it is being easily proved that, albeit not optimal, it is still a good option, especially for those who simply cannot match requirements for using push release." We both seemingly agree that maintaining the FLW through impact, while avoiding flipping or rolling through impact, is the optimum approach. I believe that this defines a DH- release action. There are two major types of DH-release action - a no-roll and a full-roll hand release action. The no-roll hand release action is the most reliable because it doesn't require any roll motion of the FLW through the impact zone. However, that no-roll technique is the most difficult hand release action technique for amateur, and most professional golfers, to achieve because one has to rotate the lower-mid torso very well through impact in order to maintain the impact triangle (FLW + bent right wrist alignment) intact to P7.5+. Ben Hogan used that technique in his mid-later career, as does David Toms. Most skilled golfers use a full-roll hand release action, where the FLW rolls counterclockwise after impact and where the right wrist passively straightens (see Dustin Johnson's followthrough action). However, it differs from a crossover hand release action in one major way - the roll motion of the FLW doesn't happen through impact, or immediately after impact (between P7 and P7.2). The roll motion must be delayed so that it doesn't happen within the immediate impact zone (between P6.9-P7.1) or too close to that zone. I believe that even inflexible amateur golfers can learn to delay this roll motion, so that it occurs after P7.2 - if they understand the underlying biomechanics. If you are really in a "learning mode" then I recommend that you read my impact and followthrough chapter where I discuss these two hand release actions in great detail. perfectgolfswingreview.net/impact.htmI am very much against any unintentional left wrist flipping release actions where the golfer is not intentionally controlling the flipping motion through impact. That's why I reject BM's pinata-release action, which is part-and-parcel of his rotation-about-the-coupling point release concept. He has never described how a golfer can consistently flip after impact, and consistently avoid flipping through impact - because in his RACP release action, there is no force-across-the-shaft at impact (which means that it is a passive slap hinge release action). I believe that if a golfer wants to use a slap hinge release action through impact, then it must be active and therefore intentionally controllable. Here is an example of a very skilled golfer who hits the ball great using an active slap-hinge release action - EA Tischler's break-back hand release action. Here are capture images from the video.  Image 1 shows EA at the P6 position - note his FLW. Image 2 shows that he still has a FLW at impact. Image 3 shows him at the P7.1 position - note that he is straightening his right wrist actively through impact, but he hasn't yet started to bend his FLW to any significant degree. Image 4 shows his left wrist bent back to a marked degree later in his followthrough. EA hits the ball extremely well using this active slap hinge release technique (which he calls a break-back release action) - because he still has a FLW at P7 (impact). His left wrist only bends immediately after impact because of two biomechanical phenomena - i) slowing of the forward motion of his left arm through impact and ii) an actively straightening right arm/right wrist through impact. Those two active biomechanical phenomena require exquisite timing, and it requires an inordinate degree of timing of the active right wrist flipping motion to make it consistently happen at P7.1, and not between P6.9-P7.1. EA has an unusually good level of hand eye coordination, but most amateur golfers do not. That's why I still recommend a more reliable hand release action - a DH-release action - for all serious golfers, because it doesn't depend on the exquisite timing of any superadded wrist motions through impact. Jeff. |
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Post by Dariusz J on Jan 26, 2013 13:29:54 GMT -5
Jeff,
So we are in agreement in one section and not in the other. I always find something that's unintentional and automatic as superior to what is intentional -- in the categories of timing as well as easiness of execution.
As regards your remark concerning this golfer at the bottom of your post -- it is nothing revolutionary, since everone knows that the bending of wrists occurs after separation and not before.
Moreover, I believe that slap-hinge release in somewhere in between push and crossover if we speak in the categories of engaging body pivot. Early stalling will lead to crossover and both arm straightinsh in front of the body, late stalling/lack of extension but a somehow good looking impact position with open hips and slightly open shoulders will lead to slap-hinge, the rest is just happy push releasers and great pivoters. Of course, only in case of unintentional release. If the release is intentional everything can happen in the body/arms relation.
Lastly, I wonder what kind of release you use and if it is a result of intentional or unintentional action. I do not mean what is your ideal (I know it already) but what your body can achieve.
Cheers
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Post by imperfectgolfer on Jan 26, 2013 16:56:35 GMT -5
Dariusz,
You wrote-: "So I always find something that's unintentional and automatic as superior to what is intentional -- in the categories of timing as well as easiness of execution."
I harbor a different opinion. "Something" (in terms of golf biomechanics) that is unintentional and automatic may be easier to time and easier to execute, but I think that it of ZERO value if the ball flight results are non-optimum. Presuming that a golfer desires to hit the ball straight towards a distant target, then I believe that the best way to generate a straight ball flight is to zero-out the CH path and CF angle at impact. I believe that it requires optimized golf swing biomechanics/mechanics to consistently achieve that goal, and I therefore believe that "something" must always be intentional and automatic (becoming automatic as a result of biomechanical skill training).
I simply cannot accept that "unintentional" is an useful word to use when discussing golf swing biomechanics. I believe that every millisecond of the golf swing action must be intentional. That's what I try to achieve in my own golf swing with variable success (secondary to a lack of skill, rather than a lack of knowledge of optimal golf swing biomechanics).
Jeff.
p.s. I use a delayed full-roll hand release action in my personal golf swing.
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Post by imperfectgolfer on Jan 27, 2013 15:48:16 GMT -5
BM wrote the following in his forum-:" I used the example of Dustin Johnson's left wrist going from arched to bent all week in Orlando". I wonder which DJ he is referring to his usual mental state of "virtual reality", because I don't see DJ's left wrist bending in the followthrough (from P7 to P7.5) in "real life".  In fact, I don't even think that it bends much between P7.5-P8.  Jeff. |
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Post by Dariusz J on Jan 27, 2013 15:58:54 GMT -5
Jeff,
It is not possible to be aware or have intentions of every biomechanical event even in a very simple motion. Subconscious mind does lots of things for us in everyday life.
Golf swing motion is a chain of biomotoric events one following the other and, I will be defending this opinion, the less 'interventions' from the conscious mind it needs the better.
I can agree that one can be very intentional about a certain link of the chain, even if it is release in a general sense. Moreover, I wouldn't be astonished if actually great players could share your point of view that it should be intentional. But no way your generalization is true.
As per your paper about release, I have mixed feelings. First, it is very well written suggesting the author sacrificed lots of work and explored lots of sources to write it. I like your argumentation concerning delivering the flat lead wrist at contact and know-how of medical terms which is a rare thing.
What I do not like is that you are tendentious in treating certain release procedures. You are absolved though since you were not well-versed into Cotton's wisdoms and looked by the prism of Kelley's TGM book -- unfortunately, to that extent that you put the pic of Vardon performing slap-hinge release type and ridiculing it.
I see you do not want to take into account that if you look at all good golfers with all three main release types, their wrists would look the same (of course grip differences can affect the look) and all of them would have anatomically flat lead wrist at contact.
The differences will be seen only if you wind the tape backward and/or forward. A crossover release player will show a fast clubhead closure rate, a slap-hinge one will show a loft change rate while a push one will look stable. But all of them are valid release types used by many successful golfers worldwide. Your objectivity and, further also some credibility, suffers if you concentrate only on your preferences.
Cheers
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Post by gmbtempe on Jan 27, 2013 16:15:53 GMT -5
Is it even possible to keep the left wrist arched post impact? Yes his decreases slightly but who would argue that you should keep it arched to the follow through?
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Post by imperfectgolfer on Jan 27, 2013 18:49:03 GMT -5
Dariusz,
You seemingly have a hard time understanding my point of view - and I don't believe that it is due to the fact that I have not expressed my opinions in a very comprehensive manner. I don't mind if you reject my opinions, but I would like to imagine that you really understand them before you choose to reject them - and I am not sure of that fact.
You wrote-: "It is not possible to be aware or have intentions of every biomechanical event even in a very simple motion. Subconscious mind does lots of things for us in everyday life. Golf swing motion is a chain of biomotoric events one following the other and, I will be defending this opinion, the less 'interventions' from the conscious mind it needs the better."
You are again making the fundamental mistake of equating the term "conscious" with the term "intentional". I don't believe that a golfer should be conscious of his swing biomechanics when he uses them in a full golf swing - but I do believe that one's golf swing biomechanics should be intentionally logical and coherent, so that the golf swing can evolve in an automatic/natural manner that will result in a consistent swing from swing-to-swing. There should no variation in golf swing biomechanics from swing-to-swing, and they should be logically coherent (which means that they are based on sound principles of human golf biomechanics, mechanics, physics and geometry.
You also wrote-: "What I do not like is that you are tendentious in treating certain release procedures. You are absolved though since you were not well-versed into Cotton's wisdoms and looked by the prism of Kelley's TGM book -- unfortunately, to that extent that you put the pic of Vardon performing slap-hinge release type and ridiculing it."
I think that your claims are nonsensical/wrong-headed. I believe that I am very familiar with the slap hinge release action (whether active or passive) and the crossover release action, and you have never been able to demonstrate that I am unaware of certain Cotton-wisdoms re: release actions, and that they are useful Cotton-wisdoms. I have repeatedly stated in many posts that I reject all release actions that add a i) superimposed horizontal hinge motion of the left wrist through the immediate impact zone and ii) I also reject all release actions that advocate for a rolling motion of the clubface through the immediate impact zone - which means that I reject those Cotton-release wisdoms. You are free to believe in the legitimacy of those release options, but you cannot claim that I am intellectually unaware of those release options. I understand their biomechanics/mechanics, but I choose to believe that the only useful option for a skilled golfer's full golf swing is a DH-release option - either a no-roll hand release option or a delayed full-roll hand release option.
Finally, you wrote-: "But all of them are valid release types used by many successful golfers worldwide. Your objectivity and, further also some credibility, suffers if you concentrate only on your preferences."
The fact that all the three types of Cotton-described release actions are used successfully only indicates to me that certain talented human beings are capable of excellent timing of superadded wrist motions through impact. However, my golf website is dedicated to less talented golfers and I have deliberately explained in my website papers why I reject the slap hinge release action and the crossover release action. You are free to reject my biased opinions, and regard my opinions re: hand release actions as being non-objective.
Jeff.
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Post by imperfectgolfer on Jan 27, 2013 19:04:59 GMT -5
Greg,
You asked-: "Is it even possible to keep the left wrist arched post impact?"
It is obviously possible and many golfers maintain an arched left wrist well beyond impact when chipping and pitching. However, I think that it is disadvantageous for the full golf swing because it indicates that one has not released the clubhead freely through impact. If one still has a palmar flexed left wrist well beyond impact, then it indicates that one still has retained CH lag and that one has not released the club fully. One can see that type of "retained CH lag" swing action in Taly's swing in the following you-tube video.
Watch Taly perform his driver swing at the end of video - I believe that his followthrough action is too mechanically inhibited, and I believe that it is the direct end-result of an excessively stiff "handle-dragging" swing action. However, I still much prefer his swing action to a pro-flipper's swing action, which is dependent on the perfect execution of a superadded slap hinge wrist motion through the immediate impact zone.
Jeff.
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Post by Dariusz J on Jan 28, 2013 4:29:17 GMT -5
Dariusz, You seemingly have a hard time understanding my point of view - and I don't believe that it is due to the fact that I have not expressed my opinions in a very comprehensive manner. I don't mind if you reject my opinions, but I would like to imagine that you really understand them before you choose to reject them - and I am not sure of that fact. I don't believe that a golfer should be conscious of his swing biomechanics when he uses them in a full golf swing - but I do believe that one's golf swing biomechanics should be intentionally logical and coherent, so that the golf swing can evolve in an automatic/natural manner that will result in a consistent swing from swing-to-swing. There should no variation in golf swing biomechanics from swing-to-swing, and they should be logically coherent (which means that they are based on sound principles of human golf biomechanics, mechanics, physics and geometry. Jeff, again I think you are philosophing too much. You eventually should correct me and propose a better notion to be used than "unintentional". For me, "intentional" means requiring conscious thoughts and "unintentional" means not requiring conscious thoughts. I will explain it on my own example because this is what I know best. Although my overall "intention" is to hit the ball as well as I could (and I have this intention present all the time when approaching the shot) I leave all intentional= requiring conscious thoughts issues at setup ending on the trigger phase. The rest is just an unintentional = not requiring any conscious thoughts flow of energy. Not single one conscious thought present. Now, I know what Nicklaus said (1 conscious thought accompanying the swing the whole round) and I do not neglect it. It might be helpful. I have discovered whaen I play my best golf I do not require any conscious thoughts. If only one appears because I struggle I will start to struggle even more. I said it not to convince you, but rather to explain in detail the usage of words. Please propose a better one then so it does not create confusions. Lastly, I have a hard time understanding your notion of having an intentional motion without a single conscious thought. I hope you're not a believer of muscle memory or something similar... Well, Jeff, you're contradicting yourself a bit then. We have already discussed in this thread that aging people with body issues cannot perform everything. How can you require they start to perform the push release while having no physical possibility to do so ? Again, I must return back to the handle dragging procedure since this is the only one possibility, I think, one can achieve a similar impact wrists positions without the help of the rest of the body. You are free to think that e.g push release (non-roll delayed release) performed over dead bodies brings better result than an unforced slap-hinge one but I harbour a completely different opinion. Unless, you present me your full swing motion and it appears you can perform flawlessly your preferred release and, additionally, you say it is not a result of a conscious handle dragging -- then, I will oficially admit that you're right and people are either lazy or misinformed never ming their age and physical conditions (iof course without extremes). Cheers |
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Post by imperfectgolfer on Jan 28, 2013 10:22:00 GMT -5
Dariusz, You wrote-: " Lastly, I have a hard time understanding your notion of having an intentional motion without a single conscious thought. I hope you're not a believer of muscle memory or something similar..." I don't know why you have such a hard time understanding the difference between a conscious intention and an automatic biomechanical action. Consider me performing a backhanded tennis stroke action using a badminton racquet.  Before I execute the shot, I have consciously/intentionally decided to perform the action as an arm stroke action and I have consciously/intentionally decided not to allow any horizontal wrist flipping motions (in a slap hinge manner) through impact. However, when I actually swing, my intentions happen automatically/naturally and I do not have to consciously think about swing biomechanics during the swing action. Note that I can use a DH-release action even though there is no pivot motion. A golfer who is an arm swinger with a slow pivot motion can also use a DH-release action. You also wrote-: " Unless, you present me your full swing motion and it appears you can perform flawlessly your preferred release and, additionally, you say it is not a result of a conscious handle dragging -- then, I will oficially admit that you're right and people are either lazy or misinformed never ming their age and physical conditions (iof course without extremes)." Believe whatever you want. I think that it only requires a lot of torso and hip joint flexibility to perform a no-roll hand release action as a swinger (and not as a hitter who doesn't use a pivot-induced release of PA#4)). I do not think that it requires a lot of flexibility to perform a delayed full-roll hand release action (as a swinger). I play twice per week with a group of seniors who call me "junior" because I am only 64 years old. They are 76, 79 and 80 years old, and two of them use a delayed full-roll hand release action and one of them uses a no-roll hand release action (using a hitter's action). None of them try to use a slap hinge release action, which is a very wristy motion that requires superb timing. The average score of my senior foursome is between 75-85 - even though the 76 year-old golfer has to use a crutch-cane to get onto the tee box because he is partially paralysed secondary to a stroke, and he always falls over after striking the ball because he always loses his balance. Despite these physical handicaps, he twice scored 73 last year,and took our "skins money" those 2 days. Jeff. |
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Post by Dariusz J on Jan 28, 2013 12:41:31 GMT -5
I don't know why you have such a hard time understanding the difference between a conscious intention and an automatic biomechanical action. Jeff, because I never could do it the way you present. My wrists are prone to lost angles just after separation as the result of a physics, anatomy and the (faulty action) that I perform. I am not lying to you, I could either crossover unintentionally (if I stop my body turn intentionally) then I can slap-hinge unintentionally with my standard pivot action without focusing on anything or finally I can perform a push release intentionally when focusing on keeping angles that most probably is a form of artificial freezing of wrists and handle dragging. I am not lying, nor I want to extend our debate forever. I just cannot do what you endorse, that's all. Consider me performing a backhanded tennis stroke action using a badminton racquet. What you just wrote above appears like a very easy thing to do. As I said earlier, it is not for me. Moreover, you said you do not allow some action to appear in the motion. Very easy to write, but let me ask one question -- if they are natural for both physical and anatomical elements -- how should one avoid what is natural and end with automatism ? Other words, how to convert intentions into reality within the frames of a fast and seemingly incontrollable dynamic motion ? Cheers P.S. Congrats on having so nice group of golfing partners, young boy  |
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Post by imperfectgolfer on Jan 28, 2013 13:03:16 GMT -5
Dariusz,
You stated-: "I am not lying, nor I want to extend our debate forever. I just cannot do what you endorse, that's all."
I certainly don't believe that you are lying and you are perfectly entitled to harbor a different set of opinions re: hand release actions. In this forum, debate can sometimes be intense, but there is no imperative to believe any forum member's personal opinions (including mine). You have the freedom to express your personal opinions in any manner that you wish to express them, and you are free to reject any other forum member's opinion.
You asked-: "--- let me ask one question -- if they are natural for both physical and anatomical elements -- how should one avoid what is natural and end with automatism ? Other words, how to convert intentions into reality within the frames of a fast and seemingly incontrollable dynamic motion "
I believe that is is easy and natural to maintain a FLW through impact (and avoid flipping) if one has a FLW/intact LAFW throughout the backswing (from P2 to P4) and throughout the entire downswing (from P4 to P7.1+). That's why I like my badminton racquet demonstration - it shows that if one has a FLW throughout the entire swing action, then one doesn't have to "manufacture" a FLW for impact. I think that is biomechanically difficult to artificially/suddenly DH-create a FLW just before impact using "some unspecified" biomechanical action - if the left wrist was bent in the earlier downswing. The key biomechanical element is always having a FLW throughout the entire swing action, so that one can then simply concentrate on performing a "left arm swinging motion" through the impact zone (like throwing a frisbee back-handed with a left arm throwing motion)
Jeff.
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