專欄 老虎伍茲的高爾夫揮桿圓心Tiger Woods` Golf Swing Rotation Center

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特約名家 Tony J J Wang王建智 | 2019/02/18

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TIGER WOODS` GOLF SWING ROTATION CENTER
Rotation center point is the cervical seven (C7) inner center dot. The least shift, the better results.
Written by golf scientist & coach, Tony, J. J. Wang.
老虎伍茲的高爾夫揮桿圓心
人體頸椎第七節的內部中心點是高爾夫揮桿的旋轉中心,它移動越少、越會有好的結果。者王建智。
 
 
This was Tiger Woods` swing sample at 1993-1996. His swing plane was one plane but over 90% of PGA coach or teach organizations gave wrong explain as down plane is lower than up plane, therefore, I must do this article for notice. In my used report about the swing rotation center shifting area, it cannot big over the driver face sweet spots area. Or, the distal swing plane is not a steady one plane and other bad results appeared like injuries occurring or un-precise impact appearing.   
這是老虎•伍茲於1993-1996的揮桿樣品。他的揮桿平面是上桿、下桿與送桿的一致平面‚但超過90% 的職業高爾夫教練或教學組織,給予錯誤的解釋成下桿的揮桿平面要比上桿的平面低,因此我必須在此公開撰寫。在我的研究資料中, 圓心的移動範圍不能超過於一號木桿的密區範圍,否則會使遠端的揮桿平面不能夠穩定一致。次外還有其它不好的結果,例如受傷的出現或撞擊不精確。
 
Front view up swing
Front view up swing 上桿正面圖
Side view up swing上桿側面圖

He got a perfect C7 high position when at the stance, it being kept the same high and went a little to the right until the top stage be returned the same position as stance. Actually, it was no need of moving to the right when at upswing.  

在站姿時他取得正確的圓心高度位置, 它被維持一樣的高度往右移一點點,直到上桿頂點它又回到原來的站姿位置。事實上, 它不須往右移動。

Side view down swing 下桿側面圖
Down swing front view下桿正面圖
Down swing side view
Down swing side view

During the down swing, Tiger`s c7 down for achieving the ground reaction force and then speedy back to the high as stance position for precise impact is a reasonable moving. But no need of front forwarding.  

老虎•伍茲的圓心於下桿期下降是為了獲取地表反作用力、然後很快的回到站姿的圓心高度去獲得精確撞擊, 是不錯的圓心移動。但是,下桿時的圓心往正前方移動也是不需要的動作。
側彎圖
Side bending spine 脊柱側彎

(Lumbar Spine | Dutton's Orthopaedic Examination, Evaluation, and ... AccessPhysiotherapy - McGraw-Hill Medical.)

Result of this analysis remined Tiger with two topics. One is his good reverse C7 rotation at down swing to impact that the distal club head speed can be released and the other is not front forwarding the C7 too much so as the lower back injurie caused by the over side bending spine be avoided.

此分析提醒了老虎伍茲兩個重點。其一, 就是在下桿期的圓心的倒逆轉可使球桿頭的速度釋放。其二,不要在下桿期將圓心前置太多,而能避免過度的脊柱側彎而致使下背受傷。
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