Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/1517-869220162206158906 http://hdl.handle.net/11449/178496 |
Resumo: | Introduction: The respiratory compensation point (RCP) is the metabolic rate for a maximal incremental test, from which the control of the acid-base balance is lost. However, the critical velocity (CV) defines the upper limit of the heavy exercise domain, in which the exhaustion is not related to metabolic disturbance. Objective: To compare the physiological (heart rate - HR, blood lactate - [La], and oxygen uptake - VO2) and perceptual (rating of perceived exertion - RPE) responses, while exercising at CV and at RCP, in order to analyze contextual similarities. Methods: Ten adolescent runners (15.8±1.7 years old) underwent progressive test (increments of 1.0 km×h-1 per minute until exhaustion) to determine VO2max, RCP and the correspondent velocities. The CV was estimated for three efforts with time limit of 2 to 12 minutes. The participants performed two efforts of seven minutes each on separate days, in CV and vRCP HR, RPE (scale 6-20) were recorded every minute, and [La] was measured at rest and after each effort. The VO2 was analyzed breath by breath during efforts. The Mann-Whitney test compared HR, [La], VO2, and RPE responses in CV and vRCP. The variance between these responses was examined by the scatter coefficient (R2). The significance level was P≤0.05. Results: The maximum values in the progressive test were 56.1±5.5 ml×kg-1×min-1 (VO2max), 16.5±1.7 km×h-1 (vVO2max), 202±12 bpm (HRmax), 19.4±1.3 (RPE) and 12.7±3.1 mmol×L-1 ([La]). No differences were observed between CV (at 83.8±3.6% vVO2max) and vRCP (at 86.5±3.6% vVO2max) in RPE responses (P=0.761), HR (P=0.096), [La] (P=0.104) and VO2 (P=0.364) responses. Correlations were observed between the CV and vRCP in [La] (R2=0.76; P=0.011), RPE (R2=0.84; P<0.01) and VO2max (R2=0.82; P<0.01) responses. Conclusion: It was inferred that exercise in RCP reproduced a physiological and perceptual response similar to that in CV. |
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Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoriaResposta fisiológica e perceptual na velocidade crítica e ponto de compensação respiratóriaPhysiological and perceptual response at critical speed and respiratory compensation pointExerciseHeart rateLactic acidOxygen consumptionIntroduction: The respiratory compensation point (RCP) is the metabolic rate for a maximal incremental test, from which the control of the acid-base balance is lost. However, the critical velocity (CV) defines the upper limit of the heavy exercise domain, in which the exhaustion is not related to metabolic disturbance. Objective: To compare the physiological (heart rate - HR, blood lactate - [La], and oxygen uptake - VO2) and perceptual (rating of perceived exertion - RPE) responses, while exercising at CV and at RCP, in order to analyze contextual similarities. Methods: Ten adolescent runners (15.8±1.7 years old) underwent progressive test (increments of 1.0 km×h-1 per minute until exhaustion) to determine VO2max, RCP and the correspondent velocities. The CV was estimated for three efforts with time limit of 2 to 12 minutes. The participants performed two efforts of seven minutes each on separate days, in CV and vRCP HR, RPE (scale 6-20) were recorded every minute, and [La] was measured at rest and after each effort. The VO2 was analyzed breath by breath during efforts. The Mann-Whitney test compared HR, [La], VO2, and RPE responses in CV and vRCP. The variance between these responses was examined by the scatter coefficient (R2). The significance level was P≤0.05. Results: The maximum values in the progressive test were 56.1±5.5 ml×kg-1×min-1 (VO2max), 16.5±1.7 km×h-1 (vVO2max), 202±12 bpm (HRmax), 19.4±1.3 (RPE) and 12.7±3.1 mmol×L-1 ([La]). No differences were observed between CV (at 83.8±3.6% vVO2max) and vRCP (at 86.5±3.6% vVO2max) in RPE responses (P=0.761), HR (P=0.096), [La] (P=0.104) and VO2 (P=0.364) responses. Correlations were observed between the CV and vRCP in [La] (R2=0.76; P=0.011), RPE (R2=0.84; P<0.01) and VO2max (R2=0.82; P<0.01) responses. Conclusion: It was inferred that exercise in RCP reproduced a physiological and perceptual response similar to that in CV.Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Faculdade de Ciências Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)Laboratório de Performance Humana Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)Faculdade de Ciências Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)Laboratório de Performance Humana Universidade Estadual Paulista Júlio de Mesquita Filho (UNESP)CNPq: 479262/2013-6Universidade Estadual Paulista (Unesp)Massini, Danilo Alexandre [UNESP]Pessôa Filho, Dalton Muller [UNESP]Caritá, Renato Aparecido Corrêa [UNESP]Denadai, Benedito Sérgio [UNESP]2018-12-11T17:30:38Z2018-12-11T17:30:38Z2016-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article439-444application/pdfhttp://dx.doi.org/10.1590/1517-869220162206158906Revista Brasileira de Medicina do Esporte, v. 22, n. 6, p. 439-444, 2016.1517-8692http://hdl.handle.net/11449/17849610.1590/1517-869220162206158906S1517-869220160006004392-s2.0-85006364934S1517-86922016000600439.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporRevista Brasileira de Medicina do Esporte0,185info:eu-repo/semantics/openAccess2023-10-24T06:12:59Zoai:repositorio.unesp.br:11449/178496Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:51:36.979868Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria Resposta fisiológica e perceptual na velocidade crítica e ponto de compensação respiratória Physiological and perceptual response at critical speed and respiratory compensation point |
title |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria |
spellingShingle |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria Massini, Danilo Alexandre [UNESP] Exercise Heart rate Lactic acid Oxygen consumption |
title_short |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria |
title_full |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria |
title_fullStr |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria |
title_full_unstemmed |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria |
title_sort |
Respuesta fisiológica y perceptual en la velocidad crítica y punto de compensación respiratoria |
author |
Massini, Danilo Alexandre [UNESP] |
author_facet |
Massini, Danilo Alexandre [UNESP] Pessôa Filho, Dalton Muller [UNESP] Caritá, Renato Aparecido Corrêa [UNESP] Denadai, Benedito Sérgio [UNESP] |
author_role |
author |
author2 |
Pessôa Filho, Dalton Muller [UNESP] Caritá, Renato Aparecido Corrêa [UNESP] Denadai, Benedito Sérgio [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Massini, Danilo Alexandre [UNESP] Pessôa Filho, Dalton Muller [UNESP] Caritá, Renato Aparecido Corrêa [UNESP] Denadai, Benedito Sérgio [UNESP] |
dc.subject.por.fl_str_mv |
Exercise Heart rate Lactic acid Oxygen consumption |
topic |
Exercise Heart rate Lactic acid Oxygen consumption |
description |
Introduction: The respiratory compensation point (RCP) is the metabolic rate for a maximal incremental test, from which the control of the acid-base balance is lost. However, the critical velocity (CV) defines the upper limit of the heavy exercise domain, in which the exhaustion is not related to metabolic disturbance. Objective: To compare the physiological (heart rate - HR, blood lactate - [La], and oxygen uptake - VO2) and perceptual (rating of perceived exertion - RPE) responses, while exercising at CV and at RCP, in order to analyze contextual similarities. Methods: Ten adolescent runners (15.8±1.7 years old) underwent progressive test (increments of 1.0 km×h-1 per minute until exhaustion) to determine VO2max, RCP and the correspondent velocities. The CV was estimated for three efforts with time limit of 2 to 12 minutes. The participants performed two efforts of seven minutes each on separate days, in CV and vRCP HR, RPE (scale 6-20) were recorded every minute, and [La] was measured at rest and after each effort. The VO2 was analyzed breath by breath during efforts. The Mann-Whitney test compared HR, [La], VO2, and RPE responses in CV and vRCP. The variance between these responses was examined by the scatter coefficient (R2). The significance level was P≤0.05. Results: The maximum values in the progressive test were 56.1±5.5 ml×kg-1×min-1 (VO2max), 16.5±1.7 km×h-1 (vVO2max), 202±12 bpm (HRmax), 19.4±1.3 (RPE) and 12.7±3.1 mmol×L-1 ([La]). No differences were observed between CV (at 83.8±3.6% vVO2max) and vRCP (at 86.5±3.6% vVO2max) in RPE responses (P=0.761), HR (P=0.096), [La] (P=0.104) and VO2 (P=0.364) responses. Correlations were observed between the CV and vRCP in [La] (R2=0.76; P=0.011), RPE (R2=0.84; P<0.01) and VO2max (R2=0.82; P<0.01) responses. Conclusion: It was inferred that exercise in RCP reproduced a physiological and perceptual response similar to that in CV. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-01-01 2018-12-11T17:30:38Z 2018-12-11T17:30:38Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1590/1517-869220162206158906 Revista Brasileira de Medicina do Esporte, v. 22, n. 6, p. 439-444, 2016. 1517-8692 http://hdl.handle.net/11449/178496 10.1590/1517-869220162206158906 S1517-86922016000600439 2-s2.0-85006364934 S1517-86922016000600439.pdf |
url |
http://dx.doi.org/10.1590/1517-869220162206158906 http://hdl.handle.net/11449/178496 |
identifier_str_mv |
Revista Brasileira de Medicina do Esporte, v. 22, n. 6, p. 439-444, 2016. 1517-8692 10.1590/1517-869220162206158906 S1517-86922016000600439 2-s2.0-85006364934 S1517-86922016000600439.pdf |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Revista Brasileira de Medicina do Esporte 0,185 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
439-444 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
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1808128573924442112 |