A pneumothorax is the air space that is left when a portion of your lung collapses. Like when you break 2 ribs and they puncture your lung after falling off the roof. /forums/images/graemlins/blush.gif /forums/images/graemlins/blush.gif Yes, it hurts. But I can't complain, the Good Lord kept me from landing on my son who was playing right below me. That was the scary part. It was my own fault, dangit. I was just in too much of a hurry and not paying attention. But I think I got off pretty easy!