Two and three-dimensional assessments of lower-limb kinematics in underwater fly kick
Two and three-dimensional assessments of lower-limb kinematics in underwater fly kick
The purpose of this study was to compare sagittal plane lower limb kinematics of underwater fly kick measured using two and three-dimensional methods. Eight male participants (average FINA points score 801±138) completed underwater fly kick trials, recorded using a six camera Qualisys underwater system. Each trial was analysed using both two and three-dimensional methods. Lower-limb angles were significantly underestimated using two-dimensional methods, particularly at the hip where flexion and range of motion reduced by 13.73 degrees and 15.91 degrees respectively. The ankle and hip produce a large amount motion in the transverse and frontal planes. The results of two-dimensional analyses of underwater fly kick should be interpreted with caution due reductions in measured angles, and exclusion of out-of-plane kinematic information.
motion analysis, biomechanics, angular kinematics, measurement error
Thompson, Isobel M.
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Warner, Martin
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Hudson, Dominic
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Banks, Joseph
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Logan, Oliver
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12 July 2023
Thompson, Isobel M.
e728d2cf-275b-4ee4-9663-d3e9654a9c33
Warner, Martin
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Hudson, Dominic
3814e08b-1993-4e78-b5a4-2598c40af8e7
Banks, Joseph
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Logan, Oliver
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Thompson, Isobel M., Warner, Martin, Hudson, Dominic, Banks, Joseph and Logan, Oliver
(2023)
Two and three-dimensional assessments of lower-limb kinematics in underwater fly kick.
In 41st International Society of Biomechanics in Sports Conference.
vol. 41,
NMU Commons.
4 pp
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
The purpose of this study was to compare sagittal plane lower limb kinematics of underwater fly kick measured using two and three-dimensional methods. Eight male participants (average FINA points score 801±138) completed underwater fly kick trials, recorded using a six camera Qualisys underwater system. Each trial was analysed using both two and three-dimensional methods. Lower-limb angles were significantly underestimated using two-dimensional methods, particularly at the hip where flexion and range of motion reduced by 13.73 degrees and 15.91 degrees respectively. The ankle and hip produce a large amount motion in the transverse and frontal planes. The results of two-dimensional analyses of underwater fly kick should be interpreted with caution due reductions in measured angles, and exclusion of out-of-plane kinematic information.
Text
Two and Three-Dimensional Assessments of Lower-Limb Kinematics in Underwater Fly Kick
- Accepted Manuscript
More information
Accepted/In Press date: July 2023
Published date: 12 July 2023
Venue - Dates:
41st International Society of Biomechanics in Sports Conference, Marquette University, Milwaukee, United States, 2023-07-12 - 2024-06-16
Keywords:
motion analysis, biomechanics, angular kinematics, measurement error
Identifiers
Local EPrints ID: 491181
URI: http://eprints.soton.ac.uk/id/eprint/491181
PURE UUID: e4d22081-7355-4996-a669-87ab00abcbfe
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Date deposited: 14 Jun 2024 16:42
Last modified: 26 Jun 2024 02:09
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Contributors
Author:
Isobel M. Thompson
Author:
Oliver Logan
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