Tara at Grits in the City is flying through the air with the greatest of ease. You can hear her friends in the background "woohooing" Orange Country wives style and someone definitely called her Tinkerbell - and why wouldn't they?
This has got to be an excellent way to keep in shape. Or, maybe you have to be in excellent shape to do it? Either wya, you can obviously see that you would have to have great upper body strength to be able to pull off those stunts, as well as some serious core muscles - they would have to be in fabulous shape, too.