Wow! This thread got me poking about and I just found a motorized "bike" for about $115. Hmmm...70 RPM...I understand, thus far, the exercise must be forced (you don't effort) and at 80 to 90 RPM. Well, the Cleveland Clinic's the protocol Jan would like to try, but cost is prohibitive. So, this?

http://www.therapy-cycle.com/cycle_therapy.html

Thanks, Nan!

TrishaPDX