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  • Repeatability of three-dimensional thorax and pelvis kinematics in the golf swing measured using a field-based motion capture system

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    Author(s)
    Evans, Kerrie
    Horan, Sean A
    Neal, Robert J
    Barrett, Rod S
    Mills, Peter M
    Griffith University Author(s)
    Barrett, Rod
    Horan, Sean A.
    Year published
    2012
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    Abstract
    Field-based methods of evaluating three-dimensional (3D) swing kinematics offer coaches and researchers the opportunity to assess golfers in context-specific environments. The purpose of this study was to establish the inter-trial, between-tester, between-location, and between-day repeatability of thorax and pelvis kinematics during the downswing using an electromagnetic motion capture system. Two experienced testers measured swing kinematics in 20 golfers (handicap#14 strokes) on consecutive days in an indoor and outdoor location. Participants performed five swings with each of two clubs (five-iron and driver) at each test ...
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    Field-based methods of evaluating three-dimensional (3D) swing kinematics offer coaches and researchers the opportunity to assess golfers in context-specific environments. The purpose of this study was to establish the inter-trial, between-tester, between-location, and between-day repeatability of thorax and pelvis kinematics during the downswing using an electromagnetic motion capture system. Two experienced testers measured swing kinematics in 20 golfers (handicap#14 strokes) on consecutive days in an indoor and outdoor location. Participants performed five swings with each of two clubs (five-iron and driver) at each test condition. Repeatability of 3D kinematic data was evaluated by computing the coefficient of multiple determination (CMD) and the systematic error (SE). With the exception of pelvis forward bend for between-day and between-tester conditions,CMDs exceeded 0.854 for all variables, indicating high levels of overall waveform repeatability across conditions. When repeatability was compared across conditions using MANOVA, the lowest CMDs and highest SEs were found for the between-tester and between-day conditions. The highestCMDswere for the inter-trial and between-location conditions. The absence of significant differences in CMDs between these two conditions supports this method of analysing pelvis and thorax kinematics in different environmental settings without unduly affecting repeatability.
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    Journal Title
    Sports Biomechanics
    Volume
    11
    Issue
    2
    DOI
    https://doi.org/10.1080/14763141.2012.654502
    Copyright Statement
    © 2012 Taylor & Francis. This is an electronic version of an article published in Sports Biomechanics, Volume 11, Issue 2, 2012, Pages 262-272. Sports Biomechanics is available online at: http://www.tandfonline.com with the open URL of your article.
    Subject
    Mechanical engineering
    Sports science and exercise
    Biomechanics
    Specialist studies in education
    Publication URI
    http://hdl.handle.net/10072/47739
    Collection
    • Journal articles

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