Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
Texto Completo: | https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2018v20n2p201 |
Resumo: | The aims of the present study were to assess the reliability of long sprint cycling performance in a group of recreationally trained cyclists and to provide thresholds for changes in performance for this particular group of subjects in repeated measures designs through a scale of magnitudes. Repeatability of mean power output during a 1-min cycling time trial was assessed in a group of 15 recreationally trained cyclists (26 ± 5, years, 176 ± 5 cm, 78 ± 8 kg). They were tested on separate days, approximately one week apart. The test and retest values for the whole group of cyclists were 7.0 ± 0.5 W/kg and 6.9 ± 0.6 W/kg (systematic change and 90% confidence limits of -1.0% ± 1.1%). Our results indicated good test-retest reproducibility (typical error of 1.8%, 90% confidence limits of 1.4% to 2.6%; intraclass correlation coefficient of 0.96, confidence limits of 0.91 to 0.99), but suggested a reduction of mean power for the “slower” subjects on retest (-2.0%, 90% confidence limits of ±1.8%). If not monitored, this systematic decrease could interfere in results of studies utilizing groups with similar performance levels, particularly investigating strategies to improve performance in sprint cycling exercises around 1 min. The thresholds for moderate, large, very large and extremely large effects for mean power output on long sprint cycling performance are about 0.4%, 1.3%, 2.3%, 3.6%, and 5.8%, respectively. |
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Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designsConfiabilidade de um teste em laboratório de sprint longo no ciclismo: aplicações da menor mudança significativa em desempenho para desenhos de medidas repetidasThe aims of the present study were to assess the reliability of long sprint cycling performance in a group of recreationally trained cyclists and to provide thresholds for changes in performance for this particular group of subjects in repeated measures designs through a scale of magnitudes. Repeatability of mean power output during a 1-min cycling time trial was assessed in a group of 15 recreationally trained cyclists (26 ± 5, years, 176 ± 5 cm, 78 ± 8 kg). They were tested on separate days, approximately one week apart. The test and retest values for the whole group of cyclists were 7.0 ± 0.5 W/kg and 6.9 ± 0.6 W/kg (systematic change and 90% confidence limits of -1.0% ± 1.1%). Our results indicated good test-retest reproducibility (typical error of 1.8%, 90% confidence limits of 1.4% to 2.6%; intraclass correlation coefficient of 0.96, confidence limits of 0.91 to 0.99), but suggested a reduction of mean power for the “slower” subjects on retest (-2.0%, 90% confidence limits of ±1.8%). If not monitored, this systematic decrease could interfere in results of studies utilizing groups with similar performance levels, particularly investigating strategies to improve performance in sprint cycling exercises around 1 min. The thresholds for moderate, large, very large and extremely large effects for mean power output on long sprint cycling performance are about 0.4%, 1.3%, 2.3%, 3.6%, and 5.8%, respectively.Os objetivos do presente estudo foram avaliar a confiabilidade do desempenho de sprint longo no ciclismo em um grupo de ciclistas recreacionais e fornecer limiares para mudanças no desempenho para este grupo de sujeitos em delineamentos de medidas repetidas, através de uma escala de magnitudes. A reprodutibilidade da potência média durante um contrarrelógio de 1-min foi avaliada em um grupo de 15 ciclistas recreativamente treinados (26 ± 5 anos, 176 ± 5 cm, 78 ± 8 kg). Eles foram avaliados em dias separados, com aproximadamente uma semana de intervalo. Os valores de teste-reteste no contrarrelógio de 1-min para o grupo inteiro foram 7,0 ± 0,5 W/kg and 6,9 ± 0,6 W/kg (mudança sistemática e limite de confiança de 90% de -1,0% ± 1,2%). Nossos resultados indicam boa reprodutibilidade teste-reteste (erro típico de 1,8%, limite de confiança de 90% de 1,4% para 2,6%; coeficiente de correlação intraclasse de 0,96, limite de confiança de 90% de 0,91 para 0,99), mas sugeriu uma redução da média de potência para os sujeitos “mais lentos” no reteste (-2,0%, limite de confiança de 90% de ±1,8%). Se não monitorada, esta queda sistemática na potência pode interferir nos resultados de estudos utilizando grupos com níveis similares de desempenho, particularmente investigando estratégias para melhorar o desempenho em sprints com duração próxima a 1 min. Os limiares para efeitos moderado, grande, muito grande e extremamente grande para média da potência em sprint longo no ciclismo são aproximadamente 0,4%, 1,3%, 2,3%, 3,6% e 5,8%, respectivamente. Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil2018-05-15info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion"Avaliado por Pares",Original paperAvaliado por ParesArtigos Originaisapplication/pdfhttps://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2018v20n2p20110.1590/1980-0037.2018v20n2p201Brazilian Journal of Kinanthropometry and Human Performance; Vol. 20 No. 2 (2018); 201-210Revista Brasileira de Cineantropometria e Desempenho Humano; v. 20 n. 2 (2018); 201-2101980-00371415-8426reponame:Revista Brasileira de Cineantropometria & Desempenho Humano (Online)instname:Universidade Federal de Santa Catarina (UFSC)instacron:UFSCenghttps://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2018v20n2p201/36449Copyright (c) 2018 Revista Brasileira de Cineantropometria e Desempenho Humanoinfo:eu-repo/semantics/openAccessCruz, Rogério Santos de OliveiraAguiar, Rafael Alves deTurnes, TiagoLisbôa, Felipe DomingosRaimundo, João Antônio GesserCaputo, Fabrizio2018-09-03T11:04:27Zoai:periodicos.ufsc.br:article/53122Revistahttps://periodicos.ufsc.br/index.php/rbcdh/PUBhttps://periodicos.ufsc.br/index.php/rbcdh/oairbcdh@contato.ufsc.br || portaldeperiodicos.bu@contato.ufsc.br1980-00371415-8426opendoar:2018-09-03T11:04:27Revista Brasileira de Cineantropometria & Desempenho Humano (Online) - Universidade Federal de Santa Catarina (UFSC)false |
dc.title.none.fl_str_mv |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs Confiabilidade de um teste em laboratório de sprint longo no ciclismo: aplicações da menor mudança significativa em desempenho para desenhos de medidas repetidas |
title |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs |
spellingShingle |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs Cruz, Rogério Santos de Oliveira |
title_short |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs |
title_full |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs |
title_fullStr |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs |
title_full_unstemmed |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs |
title_sort |
Reliability of a laboratory-based long sprint cycling test: applications of the smallest worthwhile changes in performance for repeated measures designs |
author |
Cruz, Rogério Santos de Oliveira |
author_facet |
Cruz, Rogério Santos de Oliveira Aguiar, Rafael Alves de Turnes, Tiago Lisbôa, Felipe Domingos Raimundo, João Antônio Gesser Caputo, Fabrizio |
author_role |
author |
author2 |
Aguiar, Rafael Alves de Turnes, Tiago Lisbôa, Felipe Domingos Raimundo, João Antônio Gesser Caputo, Fabrizio |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Cruz, Rogério Santos de Oliveira Aguiar, Rafael Alves de Turnes, Tiago Lisbôa, Felipe Domingos Raimundo, João Antônio Gesser Caputo, Fabrizio |
description |
The aims of the present study were to assess the reliability of long sprint cycling performance in a group of recreationally trained cyclists and to provide thresholds for changes in performance for this particular group of subjects in repeated measures designs through a scale of magnitudes. Repeatability of mean power output during a 1-min cycling time trial was assessed in a group of 15 recreationally trained cyclists (26 ± 5, years, 176 ± 5 cm, 78 ± 8 kg). They were tested on separate days, approximately one week apart. The test and retest values for the whole group of cyclists were 7.0 ± 0.5 W/kg and 6.9 ± 0.6 W/kg (systematic change and 90% confidence limits of -1.0% ± 1.1%). Our results indicated good test-retest reproducibility (typical error of 1.8%, 90% confidence limits of 1.4% to 2.6%; intraclass correlation coefficient of 0.96, confidence limits of 0.91 to 0.99), but suggested a reduction of mean power for the “slower” subjects on retest (-2.0%, 90% confidence limits of ±1.8%). If not monitored, this systematic decrease could interfere in results of studies utilizing groups with similar performance levels, particularly investigating strategies to improve performance in sprint cycling exercises around 1 min. The thresholds for moderate, large, very large and extremely large effects for mean power output on long sprint cycling performance are about 0.4%, 1.3%, 2.3%, 3.6%, and 5.8%, respectively. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-05-15 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion "Avaliado por Pares", Original paper Avaliado por Pares Artigos Originais |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2018v20n2p201 10.1590/1980-0037.2018v20n2p201 |
url |
https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2018v20n2p201 |
identifier_str_mv |
10.1590/1980-0037.2018v20n2p201 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://periodicos.ufsc.br/index.php/rbcdh/article/view/1980-0037.2018v20n2p201/36449 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Revista Brasileira de Cineantropometria e Desempenho Humano info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Revista Brasileira de Cineantropometria e Desempenho Humano |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil |
publisher.none.fl_str_mv |
Universidade Federal de Santa Catarina. Florianópolis, SC. Brasil |
dc.source.none.fl_str_mv |
Brazilian Journal of Kinanthropometry and Human Performance; Vol. 20 No. 2 (2018); 201-210 Revista Brasileira de Cineantropometria e Desempenho Humano; v. 20 n. 2 (2018); 201-210 1980-0037 1415-8426 reponame:Revista Brasileira de Cineantropometria & Desempenho Humano (Online) instname:Universidade Federal de Santa Catarina (UFSC) instacron:UFSC |
instname_str |
Universidade Federal de Santa Catarina (UFSC) |
instacron_str |
UFSC |
institution |
UFSC |
reponame_str |
Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
collection |
Revista Brasileira de Cineantropometria & Desempenho Humano (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Cineantropometria & Desempenho Humano (Online) - Universidade Federal de Santa Catarina (UFSC) |
repository.mail.fl_str_mv |
rbcdh@contato.ufsc.br || portaldeperiodicos.bu@contato.ufsc.br |
_version_ |
1789435125096775680 |