Rolf Movement work is a system of movement education that supports and advances the goals of the work done in Rolfing sessions. While the base Rolfing session affect change through fascial manipulation, Movement work affects change through exercises aimed at shifting coordination and posture in your day-to-day movements.
The usefulness of movement can be summed up in the adage of "form follows function". That is to say that the way you use your body affects its structure. Rolfing work is great for making large steps forward in structural shift towards better posture and less pain; Rolf Movement helps to maintain and enhance the effectiveness those structural gains.