So most grapplers nowadays have at least seen somebody messing around on an exercise ball for pressure. for example,
http://www.youtube.com/watch?v=nx1Js...eature=related
http://www.youtube.com/watch?v=UnjFd...eature=related
http://www.youtube.com/watch?v=sfxGB...eature=related
http://www.youtube.com/watch?v=AYODx...eature=related
http://www.youtube.com/watch?v=_cNvpIamQOE
Anyways we've started messing around with it more at my club. has anybody developed a progression to this stuff? i normally do it before my workouts now because i consider it skill work (balance and what not). it also warms up my groind and hips really well before squatting or whatever.