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Re: Mathematics and what powers the swing
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Calculation used to determine the relative amounts of energy required by the Golfing Machine to reach various velocities – not modeling around impact. Other matters you allude to such as seemingly slow swingers out hitting those moving faster are cases of efficient transfer of power producing late clubhead speed. This is a matter of technique. Golfie |
Evershed
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This doesn't seem terribly scientific or reasonable. For instance it may be that S2 tests a player’s balance or the contribution of lateral movement in the swing but eliminates the contribution of the body? Nope. I suspect that he may have an agenda here. Golfie |
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I have read Jorgenson and am glad that you have as well. I do not consider Jorgenson to be a definitive work (science does not stand still) and even within the quotes you have provided there is an error that I will show you that is pertinent to the discussion. Now let’s be clear about what we are talking about. We are talking about which muscles perform the work (physics sense) that causes the rotor of 7-12 to spin and drive the Golfer’s Flail. Choices are: Leg muscles that drive hip rotation. Torso muscles that drive torso rotation relative to the hips. Care to add any?? Can we at least agree on the topic and choices? Golfie |
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well this probalby illuminates why we were on different sides of this issue...i disagree that the above exercises eliminate the body components as listed...in all of these your hips are still moving and this is powered by muscles in you legs...S2 and S3 maybe eliminate some hip turn velocity b/c of decreased balance ( for S3 depending on how far apart your knees are), but especially problematic is S4 which i think does pretty much the opposite of what's stated as far as the body element goes...if your arms are fully extended and immoblized then none of the arm muscles including the trail tricep do anything...what is moving the whole assembly are you hips via you leg muscles and maybe some torso muscles, you have really eliminated everything BUT the body/hips/legs! -hcw |
Re: Mathematics and what powers the swing
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fair enough on the first point and totally agree on the second...however, i think the problem is that so much focus is often put on the parameter of clubhead velocity that it becomes the ultimate goal and obscures the more important technique of "efficient transfer of power" which i call "maximizing acceleration" at impact...well at least that's what happened to me, i think :(...luckily, that is slowly but surely being corrected!:-) |
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I also don't know where I incorrectly posted a quote, unless it was a spelling error, what did I quote wrong? As for last suggestion, I can only conclude I am either not making myself clear or you are not reading what I have wrote. Obviously we are having a failure to commincate. I would be interested in seeing your references to back your position, cause I think it is clear Jorgenson doesn't but does support my position. As for work, that was not what we were discussing. As for the most powerful swing, if a golfer didn't use his entire body and longest club he would be a fool. |
Power sources and not understanding
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I will post, in the next couple of days, a whole treatise on which muscles are useful for powering the golfer's flail. As to not responding to your comments specifcally there are many particular comments I could have made along the way but was hoping not to have to overeducate. It appears that more of a treatise approach may be more benfieical for anyone who still cares as the post-response dialogue inevitably leads to wiggling, misunderstandings due lack of common base, talking at cross-purposes, and sidetracking. I now more appreciate why Yoda goes to such lengths to compose comprehensive responses to significant rather tyahn trying to go along step by step. Until then enough for now. Golfie P.S. It was not your mistake but Jorgenson's for listing incompatible muscle groups in his search muscle mass. |
This is getting very interesting!!
I believe that one's PERCEPTION of WHAT is POWERING a golf stroke may be, and often is different than what actually is the case, in the most efficient and powerful strokes. One may FEEL the whole thing with their HANDS, but we know there is much more going on. One may FEEL SOMETHING within ZONE 1, but that does not negate the contributions of ZONE 2, AND 3, whether the golfer is aware of them or not. PIVOT LAG(6-C-O) is in there in the most efficient and powerful strokes. Try to stand on ice and strike a ball... you will see!! |
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