The Avenue of Expression The Avenue of Expression The Avenue of Expression Doesn't that sound like a road you want to be on? How do you get there? Where will it take you? Within CST, we are addressing the "Avenue of Expression" when we are working with the membranes within the thoracic region (upper chest), neck and jaw during your initial sessions and then with intraoral CranioSacral Therapy, the "mouthwork" is the completion of the avenue. Clients share an increased ability