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The validity of a head-worn inertial sensor for measurements of swimming performance / James Butterfield in Science & motricité, 114 ([24/11/2021])
[article]
Titre : The validity of a head-worn inertial sensor for measurements of swimming performance Type de document : texte imprimé Auteurs : James Butterfield ; Jamie Talbent ; Stephen David Patterson Année de publication : 2021 Article en page(s) : p. 3-8 Note générale : https://doi.org/10.1051/sm/2019027 Langues : Français (fre) Mots-clés : micro-technology measurement error water sports Résumé : The validity of the TritonWear®device to measure swimming performance was investigated, with apre-determined analytical goal of 6%. Twenty youth swimmers completed a 100 m swim in a 25 m pool,swimming breaststroke or freestyle wearing the TritonWear®device, whilst beingfilmed above and below waterwith three cameras. 95% limits of agreement (95% LoA) and coefficient of variation (CV%) were used tocalculate error. Systematic biases (P<0.05) were found between the two systems only for distance per strokeduring breaststroke. Freestyle metrics agreement ranged between 1.06% and 10.40% CV, except for distance perstroke (CV = 14.64%), and time underwater (CV = 18.15%). Breaststroke metrics ranged between 0.95% and13.74% CV, except for time underwater (CV = 25.76%). The smallest errors were found for split-times, speed,stroke-count and stroke-rate, across both strokes (all<5% CV). The TritonWear®can be used for basic metricsof performance, such as split-time and speed but the error of more complex measurements, such as timeunderwater or turn-times, renders them unable to identify typical performance changes. Permalink : ./index.php?lvl=notice_display&id=97336
in Science & motricité > 114 [24/11/2021] . - p. 3-8[article] The validity of a head-worn inertial sensor for measurements of swimming performance [texte imprimé] / James Butterfield ; Jamie Talbent ; Stephen David Patterson . - 2021 . - p. 3-8.
https://doi.org/10.1051/sm/2019027
Langues : Français (fre)
in Science & motricité > 114 [24/11/2021] . - p. 3-8
Mots-clés : micro-technology measurement error water sports Résumé : The validity of the TritonWear®device to measure swimming performance was investigated, with apre-determined analytical goal of 6%. Twenty youth swimmers completed a 100 m swim in a 25 m pool,swimming breaststroke or freestyle wearing the TritonWear®device, whilst beingfilmed above and below waterwith three cameras. 95% limits of agreement (95% LoA) and coefficient of variation (CV%) were used tocalculate error. Systematic biases (P<0.05) were found between the two systems only for distance per strokeduring breaststroke. Freestyle metrics agreement ranged between 1.06% and 10.40% CV, except for distance perstroke (CV = 14.64%), and time underwater (CV = 18.15%). Breaststroke metrics ranged between 0.95% and13.74% CV, except for time underwater (CV = 25.76%). The smallest errors were found for split-times, speed,stroke-count and stroke-rate, across both strokes (all<5% CV). The TritonWear®can be used for basic metricsof performance, such as split-time and speed but the error of more complex measurements, such as timeunderwater or turn-times, renders them unable to identify typical performance changes. Permalink : ./index.php?lvl=notice_display&id=97336 Exemplaires
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