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Type: Artigo de periódico
Title: Relationship Between Physiological Indices And Aerobic Performance Tests In Short And Medium Term Of Elite Cyclists [relação Entre índices Fisiológicos Aeróbios E Desempenho Em Provas De Curta E Média Duração Em Ciclistas De Elite]
Author: Sangali E.B.
Zapaterra Campos E.
Agostini Gobbo L.
de Andrade V.L.
Papoti M.
Freitas Junior I.F.
Figueira T.R.
Balikian Junior P.
Abstract: Few studies allow us to verify which physiological responses are associated with performance in a national elite cycling group. Therefore, this study aimed to determine and correlate various physiological and aerobic indices with performance in 4 and 20 km time trials in high-level cyclists. The sample consisted of 14 male professional cyclists of the national elite group (28.5 ± 4.7 years old, 73.47 ± 8.29 kg, 176 ± 6.76 cm), who performed a progressive test in laboratory to determine maximal oxygen consumption (VO2 max: 62.23 ± 8.28 ml•kg--1•min-1), intensity relative to VO2 max (iVO2 max: 500.83 ± 58.65w), movement economy (EM: 0.1166 ± 0.0362 ml•kg•min•w-1), and the first and second ventilatory threshold (LV1: 348.21 ± 43.26 w; LV2: 417.86 ± 60.79 w, respectively). They also performed two time trial performance tests of 4 and 20km. For the correlation between physiological indices and trial performance, Pearson correlation coefficient (p< 0.05) was used. No correlation was found between the physiological indices (VO2 max absolute and relative, iVO2 max, EM, LV1 and LV2) and performance in 4 km (r= 0.38; 0.16; -0.33; 0.20; -0.50; -0.20, respectively) and 20 km (r= 0.24; 0.01; -0.13; -0.12; -0.48; -0.19, respectively) time trial in high level athletes. These results suggest that these variables are not able to explain the performance in time trials in the respective lengths, probably due to the subjects' homogeneity.
Rights: aberto
Identifier DOI: 10.5007/1980-0037.2013v15n4p498
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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