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Introduction Wingate anaerobic test is an all-out test, which gives information about maximal anaerobic power. The aim of the study was to show characteristics of standard and modified versions of Wingate anaerobic test (WAnT), and to determine and explain the differences in observed parameters due to the measurement protocol applied. Matherial and methods The testing was conducted on 30 male non sportsmen, who performed usual everyday activities. The following parameters were measured: peak power or anaerobic power, mean power as a mean value of power during the whole test and explosive power or acceleration. Modified versions were performed with 5 s or 10 s delay of maximal cycling activity, during which the person was slowly pedaling. Results The average values of parameters Peak power and Explosive power in our participants were 622.20±134.57 W and 89.26 ±28.57 W/s, respectively. In modification 1 Peak Power and Explosive Power were 680.25±133.43 W and 100.60±12.77 W/s, and in modification 2 they were 685.95±135.68 W and 100.30±10.09 W/s. Significant differences were found in both parameters between the standard and modified versions, but there was no significant difference between two modified versions. The mean power parameter was not considered in the discussion, because of the fact that modified versions were shortened, and it was not a valid measurement for this parameter. Discusion and conclusion The difference between standard and modified versions can be explained by the difference between test and retest probes, and also because of modification of protocol which can partially influence the results of testing. [ABSTRACT FROM AUTHOR]