The purpose of the study compare to leg power of boys playing football, basketball and volleyball of age 15 to 17 years. To test the hypothesis 120 boys - player of CBSE School of karur age between 14 to 17 yrs were selected at random test as subject forty each for the 3 games namely volley ball Basket ball football The player were subjected to the test of leg power using vertical jump standing broad jump and squat jump and their performance were noted in centimeters and the number of jump in squat jump test three trials were given and the best of the three trials was selected as the score. To compare on leg power of football, basketball and volleyball in statistically. This present study is in conformity with the  three studies in using vertical jump standing broad jump and squat jump as the measure of leg power