well it definately moves the blood and helps circulation. It is sorta like rebounding if you have heard of that, where you jump on the trampoline and it helps the blood dump toxins...well I know this does help with that because I had to start out slowly, cuz when I first started out I thought, oh no big deal, I can do 20 minutes, it just wiggles my legs, and I got sick.

Supposedly it dumps toxins out of the lymph and blood and many other things, and I do believe it.

Yes, you lay down. Google chi machine by sunancon