How could i improve my vertical fast?

I tried using Livemocha and Rosetta Stone, but I'm also looking for nice podcasts to listen to. I'd really like to improve my grammar and to sound more natural. I can't travel, and there are no English-speaking people in my city. I have trouble reading...

I play volleyball and basketball and I would like to improve my vertical for spiking and blocking for volleyball and for rebounds and stuff in basketball, I need to improve my explosion for volleyball, and my legs and arms need to be in top shape for...

As an athlete, improving my skills is a vital part of my daily routine. I am looking for a very effective way to improve my vertical jump exercise. This is key to achieving my set goals. I would appreciate any specific suggestions.

right now my ballet turnout is not good...and i want to be able to have a great turnout for when i start pointe next year...i know the excercises to improve my turnout but how fast is it possible to achieve teh turnout? i know everyone is different but...

I am 17, 5 foot 10 and I want to improve my vertical. I play on the smaller basketball hoops and I can just about dunk, no way I can do it on the official size hoops, but I just want to find it easier to dunk on the junior nets. Thanks very much

I am on varsity volleyball and I would like to improve my spiking and blocking and such, but I am a little short for the typical middle hitter. So improving my vertical seems to be my best option. How can I do this? Thanks

i am 14 years old and i love to play basketball. i am only alittle above 5 feet 6 inches. how can i imporove my vertical jump in a quick and easy way? how tall u guyz think i will be when i am like 19. thank you.

I'm currently 6'4" and it really pisses me off when I play b-ball with my friends and they all ask me to dunk for them and I can't do it. What drills should I do to increase my jump. Also, I'm a little unsure of what muscle jumping actually targets...