The short answer is everything, from a very young age. There are other, longer and more detailed, answers but I don't think anyone needs to hear about them.
Did you overlook this one? My favourite. http://www.gymbox.co.uk/featured_classes.phpI mean the pole dancing clip on the right, btw... don't see how to embed practise that here...
You've been trying this at home, haven't you?
YYFY!
that pole dancer would make an amazing climber girlfriend...
And yes, magpie, we're waiting with baited breath.