<< Actually what you want is real-time MRI. X-ray before and after won't
you much. I only know of one true real-time MRI processor and that is
still in the prototype stage at NIH. So our ability for direct observation
is somehwat limited.
There is real-time flouroscopy that is kind of neat--you can take videos as
you turn the thing around the joint, lift the leg and bend it, etc. Only