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อ้าว น้อง Devil. มาเงียบๆแบบปีศาจ แต่อาจจะไม่ใช่ S&T ก็ได้นะ แบบ C นี่เพราะขาขวายืดขึ้นเล็กน้อยตอนแบ็คสวิง ถ้าเอียงเอาไว้ขาไม่ยืดก็ไม่เป็น จะเป็นแบบ V ที่ไม่มีในรูปหัวข้อกระทู้แทน
Image C shows a golfer who has a minimal tilt of the upper torso leftwards (towards the target) at the end-backswing position. The associated diagram shows that the lumbar spine is more vertical (due to a slight uplifting of the right pelvis due to a right leg straightening action) and that the thoracic spine is slightly tilted to the left (relative to the lumbar spine) - and that is due to the utilisation of a greater amount of arch-extension of the thoracic spine during the backswing action. Bennett/Plummer recommend image C for their S&T swing - and they recommend a greater amount of arch-extension of the thoracic spine during the backswing action, in order to keep the head/upper swing center vertically stacked over the lower swing center. I refer to this type of backswing action as a leftwards-centralised backswing action.
Image V represents a vertical-centralised backswing action where the golfer has a relatively horizontal pelvis (due to the avoidance of a right leg straightening action) and where the thoracic spine is more vertical at the end-backswing position - intermediate between a rightwards-centralised backswing action and a leftwards-centralised backswing action in terms of the amount of arch-extension of the thoracic spine that is utilised during the backswing action.
Sean Foley teaches this type of vertical-centralised backswing pivot action.
รูป Foley ครับ
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GumpzZ   
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| เขียนเมื่อ |
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18 พ.ค. 55 09:04:41
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