A comparative study of maximum aerobie speed in professional first division of footballers by three lines of play ( defense , midfield , attack ) . Field study of USBiskra Senior team .

Abstract

This study is aimed at comparing the maximum aerobie speed of professional first division of
footballers by three lines of play ( defense , midfield , attack ) , the descriptive approach to this study was
based on a sample of 26 players from USBiskra Senior team for the season Athletic 2020 / 2021 with 10 defensive players , 9 midfielders and 7 attackers , and the Georges Gacon 15/45 test was used as a data
collection tool and access to each players the maximum aerobie speed and we used also the T.Student
differential test to statistically process data with the SPSS.
The results of the study found that there were no differences between the different lines of play ( defense
line , midfield line , attack line ) .