you push out. put your weight on the toe, and push the other foot out flat against the ground. If we dont understand - you need to explain it better.
Again my apologies for the responses you got but you must understand - thats like saying to David Beckham - "you dont understand - i mean how do you KICK!"
its not something that needs explaining - just practise.
I'm not dissing you or anything just trying to make it make a bit more sense. Try the guides - prowlers covers backslides. Mine doesnt cos they're a bit...well...simple.....to be honest. Are you talking about backslides?