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Revista Portuguesa de Ciências do Desporto

versão impressa ISSN 1645-0523

Rev. Port. Cien. Desp. v.5 n.1 Porto jan. 2005

 

Utilização de métodos invasivo e não invasivo na predição das performances aeróbia e anaeróbia em nadadores de nível nacional.

 

Marcelo Papoti1,2*

Alessandro M. Zagatto2,3

Olga C. Mendes1

Claudio A. Gobatto2

 

1 Faculdades Integradas de Bauru, SP, Brasil.

2Laboratório de Biodinâmica, UNESP Rio Claro, SP, Brasil.

3Universidade Federal do Mato Grosso do Sul, MS, Brasil.

 

RESUMO

O objetivo do presente estudo foi comparar a velocidade crítica (VC) com o limiar anaeróbio (LAN) e verificar as relações dessas variáveis e da capacidade de nado anaeróbio (CTA) com o desempenho de nadadores nas distâncias de 15m, 25m, 50m, 100m, 200m e 400m nado crawl. Participaram voluntariamente do estudo 8 nadadores de nível nacional, que realizaram 3 esforços progressivos (85%, 90% e 100%) de 400m nado crawl para determinação do LAN, bem como esforços máximos nas distâncias de 15m, 25m, 50m, 100m, 200m e 400m em estilo crawl. Os tempos obtidos nas distâncias de 200m e 400m foram submetidos ao procedimento de regressão linear para determinação da VC (coeficiente angular) e CTA (coeficiente linear). A VC (1,38 ± 0,07) não foi significativamente diferente (p<0,05) do LAN (1,37 ± 0,05) e apresentaram correlações significativas com a performance de 400m nado crawl (p<0,05), enquanto que a CTA não se correlacionou significativamente com nenhuma das performances de nado. Desse modo pode-se concluir que a VC é um parâmetro confiável na avaliação da capacidade aeróbia e na predição da performance de 400m nado crawl. No entanto, a CTA obtida pelo intercepto-y não foi um bom preditor da performance dos nadadores nas distâncias entre 15m a 400m.

Palavras-chave: natação, capacidade anaeróbia, velocidade crítica, performance.

 

ABSTRACT

Use of invasive and non-invasive protocol tests on aerobic and anaerobic performances prediction in Brazilian swimmers.

The purpose of this study was to compare the critical velocity (VC) with the anaerobic threshold (LAN) and verify the relationship among VC and LAN with anaerobic swimming capacity (CTA) with the swimmer’s performance in the 15m, 25m, 50m, 100m, 200m, 400m distances in crawl swimming. Eight national level swimmers were volunteers in the present study, and performed 3 progressive efforts of 400m crawl swimming (85%, 90% and 100%) for LAN determination. They also performed the maximum effort in the 15m, 25m, 50m, 100m, 200m and 400m distances in crawl style. The scores resulted from the 200m and 400m distances were submitted to the linear regression procedure for VC determination (angular coefficient) and CTA (linear coefficient). The VC (1.38 ± 0.07) was not significantly different from the LAN (1.37 ± 0.05) and presented significant correlations with the 400m crawl swimming performance (p<0.05), while the CTA did not correlate significantly with any of these swimming performances. In this way, it is possible to conclude that the VC is a trustful reliable indicator for the evaluation of the aerobic capacity in swimming. However, the CTA resulted from y-intercept was not a good predictor of the swimmer’s performance in the distances from 15m to 400m crawl swimming.

Key Words: swimming, anaerobic capacity, critical velocity, performance.

 

 

Texto completo disponível apenas em PDF.

Full text only available in PDF format.

 

 

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CORRESPONDÊNCIA

Marcelo Papoti*

Laboratório de Biodinâmica, UNESP Rio Claro, SP.

Av. 24 A 15-15, Bela Vista, Rio Claro, SP.

13506-900 Brasil.

papoti@ig.com.br