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https://hdl.handle.net/2440/58607
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Type: | Journal article |
Title: | The X factor and its relationship to golfing performance |
Author: | Cole, M. Grimshaw, P. |
Citation: | Journal of Quantitative Analysis in Sports, 2009; 5(1):1-9 |
Publisher: | Berkeley Electronic Press |
Issue Date: | 2009 |
ISSN: | 1559-0410 1559-0410 |
Statement of Responsibility: | Michael H. Cole and Paul N. Grimshaw |
Abstract: | It is often postulated that an increased hip to shoulder differential angle (`X-Factor') during the early downswing better utilises the stretch-shorten cycle and improves golf performance. The current study aims to examine the potential relationship between the X-Factor and performance during the tee-shot. Seven golfers with handicaps between 0 and 10 strokes comprised the low-handicap group, whilst the high-handicap group consisted of eight golfers with handicaps between 11 and 20 strokes. The golfers performed 20 drives and three-dimensional kinematic data were used to quantify hip and shoulder rotation and the subsequent X-Factor. Compared with the low-handicap group, the high-handicap golfers tended to demonstrate greater hip rotation at the top of the backswing and recorded reduced maximum X-Factor values. The inconsistencies evident in the literature may suggest that a universal method of measuring rotational angles during the golf swing would be beneficial for future studies, particularly when considering potential injury. |
DOI: | 10.2202/1559-0410.1134 |
Published version: | http://dx.doi.org/10.2202/1559-0410.1134 |
Appears in Collections: | Aurora harvest Mechanical Engineering publications |
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