the defintion is quite complex because she aims to do more than one thing with the taping.

Have you looked at this article:

McConnell, J. (1996). Management of patellofemoral problems. Manual Therapy, 1(2), 60-66.

It pretty well says it all.

Otherwise lots of physio texts have chapters cotributed by McConnell.

If you have difficulty obtaining the article I can email it to you but for copyright reasons you will have to give me your email address