What the hell, that's so much money!
Think its a six month thing or something, can't remember, she's been going for four months and doesn't seem to be getting better.
You can read up on the sales pitches they use:
www.sciencebasedmedicine.org/chiropractic-gimmickry/
www.quackometer.net/blog/2012/04/myovision-scans-and-chiropractic.html
The guy doing it tried to sell how poisonous sugar is by showing how you become weaker when holding a little bag of sugar (the ones you get with your coffee in restaurant, he couldn't move my hand with or without the sugar)