Dorsi technology is a type of toning shoe or running shoes that a lot of claims are being made for how effective it is.
http://www.podiatry-arena.com/podiatry-forum/showthread.php?t=80200 (Podiatry Arena)
http://www.podiatrystudent.net/dorsi-technology-running-shoes-toning-shoes/19933/ (Podiatry Students)
http://www.podiatryabc.com/d-is-for-dorsi-technology/ (Podiatry ABC)
http://answers.yahoo.com/question/index?qid=20120718124332AAVyQwm Yahoo Answers!