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I cant jump while running? Even when i do it doesnt make any difference when standing? HELP!!?

alrii soo i got a problem. PLZ READ!! about 2 months ago, i cou;dn't even jump while running! i finally managed to learn. but now i realize running and jimping and standing jump has no DIFFERENCE! its still te same vertical leap. there is this person. i had a competition of who could jump (standing) higher. we both jumped at the same time and i could jump higher. (same height) But now recently theres a baske4tball rim at school (about 8 and a half feet i dont know). i asked him if he could touch it. He went about 5 meters back and ran and touch the rim. I did the same but struggled to touch it. i realized then that it made no difference for me if i ran or stood. I'm 5'7 13 years old. Last time i checked my 100m time was last year it was 13.27 sec. I have speed but i dont know how to convert my energy and use it to jump higher. I heard about something called MCV (maximum controlled velocity) and i unno if this is something to do with this (probably is) SOO PLZ HELP MEE!! HOW DO I CONTROL MY ENERGY AND USE IT TO JUMP HIGHER RUNNING BECAUSE IT MAKES NO DIFFERENCE FOR ME IF I RUN OR STAND! thank you SOO MUCH IF YU GIVE ME A SOLUTION!!! THANKS!!

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