http://www.youtube.com/watch?v=BjgMjA_iIgw <- this is the video i learned from, the key is jumping UP not back
i started doing it down a grass incline then worked my way to hard ground
imo overall athleticism has a lot to offer in any sport so if you look at my journal way back in the summer i even dedicated certain days just to body awareness (essentially i just fooled around with gymnastic maneauvers in a grass field lol), which is when i worked on stuff like this
i still do them every once in a while now just so i dont lose it, haha