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The aim of this study: the investigation fifteen years olded children’s of the Physical fitness level. İn this study from fifteen age groups football players (n= 37), fitness ( n= 51) with adolescents (n = 51 ) totally 139 children were joined to study voluntary The voluntary’s to measure; Age, Weight, Height, Body mass index, Body index, vertical jump , anaerobic power, MaxVO2, flexibility, 30 m. Sprint, leg, hand grip and back power. For statistical analysis with One-Way Anova and Tukey HSD test were performed by packege programme which was called SPSS According to comparement between groups, not meaningful differences were found at height and leg power parameters at the level of p>0.05. while meaningful difference were found back power parameter at the level of p<0,05, meaningful differences were found weight , Body mass index ,body oil index and not oil body index, vertical jump, anaerobic power, aerobic power, flexibility, hand grip, 30 m. sprint parameters at the level of p<0,01 As a result, it's thought that the physical suitability of children who deals with football and fitness, shows better improvement than sedanter members and the motoric properties of fitness group apart from their speed and anaerobic force parameters, are found to be higher than the other groups At this period when footballers become selective, they can support their exercise program with fitness and they can develop their motoric properties.