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Standardization of a specific protocol to determine the anaerobic conditioning in swimmers during a 30sec effort using load cells The purpose of this study was to standardize a specific protocol to determine the anaerobic conditioning (ACANA) in swimmers during a 30sec effort and its correlation with performances of 200m (PMAX200) and 400m (PMAX400) crawl style. ACANA, regarded as the impulse of tethered swimming (IMPNA), was assessed with an ergometer having load cells as primary sensing element. They were connected to the swimmers by an attached wire at their waist. Two maximal efforts (IMPNA-1 and IMPNA-2) were performed with 30sec of duration. Blood samples were taken at the end of each effort to determine lactatemy ([lac]peak). Paired t test and Pearson’s correlation were used with significance level of p<0.05. No differences were observed between the values of [lac]peak-1 (6.8±03mmol/L) and [lac]peak-2 (6.5±0.4mmol/L) and between the IMPNA-1 (2510.2±105.0 N.s) and IMPNA-2 (2541.9±115.2 N.s). A significant correlation was observed between the values of IMPNA-1 e IMPNA-2 (r=0.93). In addition, these values were correlated significantly with the PMAX200 (r=0.86) and PMAX400 (r=0.63). Based on these data it can be concluded that the IMPNA represents the ACANA and it may be used as predictor of performances in tests of 200 and 400m swim crawl.

Padronização de um protocolo específico para determinação da aptidão anaeróbia de nadadores utilizando células de carga