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The importance of Wrist Flexion and X-Factor in the Golf Swing :A Forward Kinematic Approach
Sweeney, Matthew Mills, Peter Alderson, Jacqueline Elliott, Bruce
Sweeney, Matthew
Mills, Peter
Alderson, Jacqueline
Elliott, Bruce
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Abstract
This study aimed to investigate the importance of wrist flexion and trunk rotation relative to the pelvis about a vertical axis (X-factor) in the golf swing, through the use of kinematic simulation. Empirical data of 5 highly skilled golfers were collected using a 3D optoreflective system. A full body, 3D forward kinematic model was created that predicted the endpoint of the club to within 0.02 mm of the empirical data. X-factor rotation, then flexion of the wrist was locked at zero degrees throughout the downswing, with the effect on the kinematics of the club-head analysed. The results indicated that effective extension/flexion at the wrist is of great importance to performance with an average reduction of club-head velocity at impact of 46%, when wrist flexion is restricted during the downswing. Effective rotation of the trunk was also important to performance variables.
Keywords
Computer modelling, golf drive, performance
Date
2011
Type
Conference item
Journal
Book
Volume
Issue
Page Range
945-958
Article Number
ACU Department
School of Behavioural and Health Sciences
Faculty of Health Sciences
Faculty of Health Sciences
Relation URI
DOI
Event URL
Open Access Status
Open access
License
File Access
Controlled