This study aims to determine the relationship between leg power and lay-up, to determine the direct relationship between lay-up balance, to determine the direct relationship between leg power and balance to lay-up. The method used in this research is correlational descriptive by collecting data using surveys. The research sample was 42 students consisting of two schools in Central Java. The results of this study indicate that there is a significant relationship between balance and lay-up skills in basketball games for junior high school students in Central Java. There is a significant relationship between leg power and balance with lay-up ability in basketball games for junior high school students in Central Java. Based on this research, it shows that there is a relationship between leg power and body balance as a result of layups in basketball games for Junior High School students in Central Java.