This chiropractor is really more of an acting coach than a doctor. He explains the moves required for impressing an investigator with your injuries. As acting teachers are wont to do, he also derides other chiropractors for not demonstrating to the client these subtle moves. This clip is also nice for the skewed angle at which it is photographed.
Be sure to take a look at the "Insurance Scam" section in our Gallery of Hidden Camera Examples, to see what the visit to an insurance investigator looks like.