Spatio-temporal characteristics of hurdle runs and ergometric tests during athletic preparation

• Published in: Revista brasileira de cineantropometria & desempenho humano Vol. 17; no. 1; pp. 51 - 61
• Main Authors: Iskra, Janusz, Tataruch, Rafal, Borysiuk, Zbigniew, Sadowska-Krepa, Ewa, Walaszczyk, Anna
• Format: Journal Article
• Language: Portuguese
• Published: 01.01.2015
• ISSN: 1415-8426; 1980-0037
• DOI: 10.5007/1980-0037.2015v17n1p51

The main goal of this study was to assess the appropriateness of both ergometric and modified hurdles tests for an annual cycle of hurdlers who were working on mastering the 400 m distance. Nine Polish hurdlers (personal best: 54.46+ or -2.16 s, age: 20.67+ or -1.87 years) were chosen as the research participants. In each of two mastering periods in the research, an ergometric test and a specific test were implemented during a hurdle run. In February, an interval ergometric test (5x6 s) and an interval hurdle test (IHT) were performed. Additionally, in May, a classic Wingate test and a 200 m hurdle run were introduced. With regard to the ergometric tests, we assessed the following measurements: maximum power (P sub(max)) and mean power (P sub(x)) reached in five repetitions as well as total work (W sub(total)) performed in five attempts. The Mann-Whitney test was used to distinguish between the athletic test results obtained in the preparation period outlined above and those obtained in the first period. Lactate (LA) concentrations were assessed with the Chisquare test. Moreover, Spearman's rank correlation coefficients were used in the analysis. The achieved study results indicate the lack of significant differentiation of the ergometric test parameters (p> or =0.05). The spatial structure of both specific tests (5x2 H v. 200 m H) was similar given that the first and the second parts of both hurdle races and the number of steps taken were similar. The basic parameters of the ergometric tests did not exhibit any relationship with the recommended record time achieved for the 400 m hurdle run.Original Abstract: O objetivo deste estudo foi avaliar a idoneidade de selecao dos testes ergometricos e testes modificados de corridas com barreiras ao longo do ciclo anual de treinamento dos atletas na distancia de 400m. Participaram do estudo nove atletas poloneses (melhor resultado: 54,46+ or -2,16s, idade: 20,67+ or -1.87 anos). Em duas temporadas de treinamento foram realizados dois testes: ergometrico e especial (=na corrida com barreiras). Em fevereiro foi efetuado o teste ergonomico em intervalos (95x6s) e o teste com barreiras Rest com intervalos (IHT). Em maio foi efetuado o teste classico de 30 s Wingate e uma corrida de 200m com barreiras (200mH). Nas corridas com barreiras foram considerados os parametros de tempo, potencia maxima (P sub(max)), potencia media (P sub(x)) e trabalho total (W sub(total)). J. Para avaliar as diferencas entre os resultados dos testes numa temporada foi aplicado o teste de Mann-Whithney. As diferencas de concentracao do lactato (LA) foram avaliadas com o teste Chi-square. Na analise foram considerados tambem os coeficientes de correlacao de postos de Spearman. Os resultados dos estudos demostram a ausencia de diferencas pertinentes nos parametros dos testes ergometricos (p > or = 0,05). A estrutura espacial de ambos os testes especiais (5x2H vs. 200mH) foi semelhante: na primeira e segunda parte de ambas as corridas foi efetuado o numero parecido dos passos. Os parametros essenciais dos testes ergometricos (P sub(max), P sub(x), W sub(total)) nao demostraram relacoes importantes com o resultado recorde na corrida de 400m com barreiras. A analise demostrou a possibilidade de utilizacao seletiva dos testes ergometricos na avaliacao do grau de preparacao dos atletas para a distancia de 400m com barreiras.