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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Protocolos de avalia????o aer??bia e anaer??bia e efeitos da estimula????o transcraniana por corrente cont??nua sobre o desempenho em teste de corrida de 3000 metros

Madrid, Bibiano 25 February 2016 (has links)
Submitted by Sara Ribeiro (sara.ribeiro@ucb.br) on 2017-04-10T13:55:08Z No. of bitstreams: 1 BibianoMadridTese2016.pdf: 2121621 bytes, checksum: e27cdc9330322e7d6796de7bcf0c585c (MD5) / Approved for entry into archive by Sara Ribeiro (sara.ribeiro@ucb.br) on 2017-04-10T13:55:16Z (GMT) No. of bitstreams: 1 BibianoMadridTese2016.pdf: 2121621 bytes, checksum: e27cdc9330322e7d6796de7bcf0c585c (MD5) / Made available in DSpace on 2017-04-10T13:55:16Z (GMT). No. of bitstreams: 1 BibianoMadridTese2016.pdf: 2121621 bytes, checksum: e27cdc9330322e7d6796de7bcf0c585c (MD5) Previous issue date: 2016-02-25 / The present study is composed by four papers with different aims, as follows: 1) Verify the reliability of the Wingate anaerobic test. 2) Verify the reliability of lactate minimum protocol with induction of hyperlactatemia individualized by ratings perceived exertion. 3) Verify the efficiency of a new submaximal protocol for aerobic evaluation, with workloads determination by ratings perceived exertion, denominated RPE-13, in identify the intensity of exercise associated at maximal lactate steady state and lactate minimum. 4) Verify the influence of anodal transcranial direct current stimulation on left temporal lobe in the heart rate variability and in the running of 3000 meters. The Wingate study had a sample composed by 15 cyclists that performed three Wingate tests. The lactate minimum study had a sample composed by 20 university students active physically that performed two times the test. In the study with RPE-13 the sample was formed by 11 young adults active physically that performed three tests, the RPE-13, lactate minimum and maximal lactate steady state. Yet, in the study with anodal transcranial direct current stimulation the sample was composed by 11 amateurs??? runners that performed of the 3000 meters test in two conditions, in the anodal stimulation and Sham condition (placebo). The tests of Wingate and lactate minimum showed good reliability. The RPE-13 test showed to be efficient to identify an intensity of exercise associated at maximal lactate steady state and lactate minimum. Therefore, the transcranial direct current stimulation changed the heart rate variability, increasing the chronotropic reserve and improving the performance in running of 3000 meters in mean 10 seconds. / O presente trabalho ?? composto por quatro artigos cient??ficos com diferentes objetivos, conforme a seguir: 1) Verificar a reprodutibilidade do teste anaer??bio de Wingate. 2) Verificar a reprodutibilidade do protocolo de lactato m??nimo com a indu????o a hiperlactatemia individualizada pela percep????o subjetiva de esfor??o. 3) Verificar a efici??ncia do um novo protocolo subm??ximo de avalia????o aer??bia, com cargas determinadas pela percep????o subjetiva de esfor??o, denominado RPE-13, em identificar a intensidade de exerc??cio associada ao m??ximo estado est??vel de lactato e lactato m??nimo. 4) Verificar a influ??ncia da estimula????o transcraniana por corrente cont??nua an??dica sob o lobo temporal esquerdo sobre a variabilidade da frequ??ncia card??aca e no desempenho em teste de corrida de 3000 metros. O estudo com Wingate teve uma amostra composta por 15 ciclistas que realizaram tr??s testes de Wingate. O estudo com lactato m??nimo teve uma amostra composta por 20 estudantes universit??rios fisicamente ativos que realizaram o teste duas vezes. No estudo com o protocolo RPE-13 a amostra foi formada por 11 adultos jovens fisicamente ativos que realizaram tr??s testes, o RPE-13, lactato m??nimo e m??ximo estado est??vel de lactato. J?? no estudo com estimula????o transcraniana por corrente cont??nua a amostra foi composta onze corredores recreacionais que cumpriram o teste de 3000 metros em duas condi????es, na condi????o com estimula????o an??dica e na condi????o Sham (placebo). Os testes de Wingate e lactato m??nimo apresentaram boa reprodutibilidade. O teste RPE-13 se mostrou eficiente em identificar uma intensidade de exerc??cio associada m??ximo estado est??vel de lactato e lactato m??nimo. Por sua vez, a estimula????o transcraniana por corrente cont??nua modificou a variabilidade da frequ??ncia card??aca, aumentando a reserva cronotr??pica e melhorando o desempenho do teste de corrida de 3000 metros em m??dia em 10 segundos.

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