Bruce Elliott
University of Western Ontario
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Publication
Featured researches published by Bruce Elliott.
Journal of Sports Sciences | 2002
Bruce Elliott; R. Wallis; S. Sakurai; David G. Lloyd; Thor F. Besier
The aim of this study was to compare thoracic spine alignment with two-and three-dimensional calculations of shoulder alignment (defined as a line joining the acromion processes of the right and left scapula) when all measures were projected onto the transverse plane. A six-camera Vicon system was used to reconstruct three markers positioned on the plane of the thorax such that the orthogonal vector to the thoracic spine, projected onto the transverse plane, was used as a virtual shoulder alignment during cricket fast bowling. This same measurement system was used to calculate the three-dimensional line between the acromion processes projected onto the transverse plane. These acromion markers were also used to calculate the two-dimensional transverse plane alignment of the shoulders from images recorded by a video camera positioned above ball release. All cameras operated at 50 Hz. A significant association was recorded between thorax alignment and the three- (0.97) and two-dimensional (0.87) shoulder alignment estimations at back-foot impact. The strength of association remained at front-foot impact, when correlations of 0.89 (three-dimensional) and 0.84 (twodimensional) were recorded. However, at ball release, non-significant associations of 0.58 (three-dimensional) and 0.41 (two-dimensional), representing shoulder alignment differences of approximately 10°, were recorded. The 95% limits of agreement comparisons for shoulder alignment at back-foot impact, front-foot impact and ball release produced mean random errors for the two comparisons of 9.5°, 11.7° and 22.5° respectively. Three- and two-dimensional transverse plane projections of shoulder alignment are reasonable estimates of thorax alignment at back-foot impact and front-foot impact but not at ball release.
Optimal depth for streamlined gliding | 1998
Andrew Lyttle; Brian Blanksby; Bruce Elliott; David Lloyd
Archive | 2009
Bruce Elliott; Machar Reid; Miguel Crespo
Medicine and Science in Sports and Exercise | 2013
Amity Campbell; Leon Straker; Peter O'Sullivan; Bruce Elliott; Machar Reid
Archive | 1994
Brian Blanksby; John Bloomfield; Timothy R. Ackland; Bruce Elliott; Alan R. Morton
'BEND IT LIKE BECKHAM': BALL ROTATION IN THE CURVED FOOTBALL KICK | 2010
David Whiteside; Jacqueline Alderson; Bruce Elliott
Golf drive launch angles and velocity: 3D analysis versus a commercial launch monitor | 2009
Matthew Sweeney; Jacqueline Alderson; Peter Mills; Bruce Elliott
Continuous Registration of the Hand-Curve in Rowing: Differences between Scull and Sweep Rowers | 2004
Angus Burnett; Matthew Doyle; Bruce Elliott
Comparison of Force Curves Between On-Water Single Scull Rowing and the Rowperfect Ergometer | 2001
Andrew Lyttle; Bruce Elliott; Olivia Birkett
Field versus laboratory testing in sports biomechanics: System and modelling errors | 2006
Bruce Elliott; Jacqueline Alderson; Eliot Denver