I know one guy, he`s 15 years old, 6'4"-5", he has not done any weight training and can dunk the ball soo easily jumping off 1 foot. at first i hated him

but now i accept things they are
here`s the link --->
http://www.youtube.com/watch?v=2hNipxKSHKo
THATS NOT 10FT rim. it`s about 9'8" , but still good. ( btw he`s kinda weird)