<Originals>Examination of the Performances of Youth Soccer Player in a 20-metre Shuttle Run Test and a Treadmill Run Test

概要

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The purpose of the study was to examine the performances of youth soccer players in a 20m Multistage Shuttle Run Test (MST) and in a Treadmill Run Test (TRT). Participants were 41 youth male soccer players (16.5±1.1 yrs; 1.71±0.50m; 60.3±7.5kg) with two years of competitive playing experience. On two separate occasions, participants completed a Treadmill Run Test (TRT) and a MST to volitional exhaustion. TRT-derived VO_2peak were significantly greater than MST-predicted VO_2peak using a child-adolescent specific (53.7±6.0 vs. 51.9±3.5ml/kg/min, p<0.05), and correlations between TRT-derived and MST-predicted VO_2peak were moderate (r=0.45 and 0.48, p<0.05). 95% limits of agreement between TRT-derived and MST-predicted VO_2peak were -12.9 to 9.1ml/kg/min. For the 41 male youth soccer players, TRT VO_2peak and MST performance were best described by the equation, Y (VO_2peak in ml/kg/min)=53.5-0.31 (body mass in kg) +0.19 (total number of shuttles completed)(R=0.68, SEE=4.9ml/kg/min). The equation is proposed as more appropriate for predicting VO_2peak from MST performance among Asian youth male soccer players but future cross-validation studies are recommended.