jump with some height to make yourself comfortable then to set the axis and spin drop the inside shoulder down and then follow it with the outside shoulder then look over your shoulder at your opposite foot. ie if you spin to the left drop your left shoulder and follow with the right shoulder...
i was trying a rail my friend had set up and i fell off and landed in the grass i stopped dead and broke my tibia and fibula right where my boot ends so exactly what youre talking about. and theres another fellah on here somewhere that broke them both and he has a picture of his x-ray it looks sick.