For anyone interested in why I keep cracking ribs ( almost 100 percent back from the second time now ), here’s a video on youtube of the class I train with. And yes, I’m absent from the show 
http://www.youtube.com/watch?v=J9SuA-Ehp2o
Safe for work, of course, though not for the meek . . .
Finally a smart blogger…I love how you are thinking and writing!