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The X-Factor and its relationship to golfing performance

Cole, Michael H. & Grimshaw, Paul N. (2009) The X-Factor and its relationship to golfing performance. Journal of Quantitative Analysis in Sports, 5(1), pp. 1-19.

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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.

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ID Code: 29707
Item Type: Journal Article
Additional URLs:
Keywords: Kinematic Analysis, Golf, X-Factor, Hip to Shoulder Differential
DOI: 10.2202/1559-0410.1134
ISSN: 1559-0410
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > HUMAN MOVEMENT AND SPORTS SCIENCE (110600) > Biomechanics (110601)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Copyright Owner: Copyright 2009 The Berkeley Electronic Press. All rights reserved.
Deposited On: 21 Jan 2010 16:41
Last Modified: 11 Aug 2011 00:24

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