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Optimal race analysis parameters of freestyle swimming events: a case study

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Main Author: Mollon, Desdemona
Other Authors: desdemona@gov.isn.my
Format: Article
Language:English
Published: Kementerian Pendidikan Tinggi (KPT), Malaysia 2022
Subjects:
Freestyle
Race analysis
Swimming stroke
Swimming
Turn time
Video digitisation
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77485
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spelling my.unimap-774852022-12-08T12:31:21Z Optimal race analysis parameters of freestyle swimming events: a case study Mollon, Desdemona desdemona@gov.isn.my Sports Biomechanics Center, National Sports Institute of Malaysia Freestyle Race analysis Swimming stroke Swimming Turn time Video digitisation Link to publisher's homepage at https://www.mohejournal.org/aboutus.asp Introduction: During the swim meet, race analysis is a common practice to provide insight into each event. This case study explores the variables of swimming performance using the video analysis method. Purpose: To determine the best indicator from a set of swim variables (digitised from video) for competitive swim races by one Malaysian freestyle swimmer in preparation for the Tokyo Olympic Games 2020. Methods: Race video footage was analysed retrospectively to determine the key parameter for each event distance. The following variables were calculated: start time, end time (ET), turn time (TT), stroke count, stroke length, stroke rate, average velocity (AV) and stroke index. Differences were subsequently assessed among the parameters within the same event style. Results: The results from the correlation test between the eight digitised variables and final time (FT) showed that for both 200 and 400 m events the variables AV (respectively, r = −0.96 and r = −0.94) and TT (respectively, r = 0.89 and r = 0.83) were significantly correlated. In addition, for the 200 m events, the ET also significantly correlated (r = −0.94) with FT. Conclusion: This swimmer and over this period of Olympic qualifiers competitions, AV and TT were the best indicators for swim performance. Regarding the 200 m events, the end (sprint) time may also be an indicator. 2022-12-08T12:31:21Z 2022-12-08T12:31:21Z 2022-08-11 Article Movement, Health & Exercise (MoHE), vol.11(1), 2022, pages 42-45 2231-9409 (printed) 2289-9510 (online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77485 en Kementerian Pendidikan Tinggi (KPT), Malaysia
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Freestyle
Race analysis
Swimming stroke
Swimming
Turn time
Video digitisation
spellingShingle Freestyle
Race analysis
Swimming stroke
Swimming
Turn time
Video digitisation
Mollon, Desdemona
Optimal race analysis parameters of freestyle swimming events: a case study
description Link to publisher's homepage at https://www.mohejournal.org/aboutus.asp
author2 desdemona@gov.isn.my
author_facet desdemona@gov.isn.my
Mollon, Desdemona
format Article
author Mollon, Desdemona
author_sort Mollon, Desdemona
title Optimal race analysis parameters of freestyle swimming events: a case study
title_short Optimal race analysis parameters of freestyle swimming events: a case study
title_full Optimal race analysis parameters of freestyle swimming events: a case study
title_fullStr Optimal race analysis parameters of freestyle swimming events: a case study
title_full_unstemmed Optimal race analysis parameters of freestyle swimming events: a case study
title_sort optimal race analysis parameters of freestyle swimming events: a case study
publisher Kementerian Pendidikan Tinggi (KPT), Malaysia
publishDate 2022
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/77485
_version_ 1753973035088478208
score 13.214268

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