I posted a link to a paper [0] about "Deliberate Performance" the other day that some may find useful. In that paper -- along with making the distinction between practice and performance -- they describe deliberate performance as:

>the effort to increase domain expertise while engaged in routine work activity.

They then go on to give four types of exercises to focus on: repetition, timely feedback, task variety, and progressive difficulty.

[0] http://peterfadde.com/Research/Deliberate_Performance-PI-101...