From the SportsGeezer's blog,
www.sportsgeezer.com/.../for-years-geeze.html
"What's poised to be the next big thing in fitness equipment? The Boston Globe tells us that it's Gyrotonics (note upper case G), a machine system that uses weights and pulleys and the principles of yoga, ballet, and swimming to increase flexibility. Only three principles? Yes, but a great many dollars, and not just for the equipment...."
The Boston Globe article:
www.boston.com/.../