Here is a link to an article co-written by Francesca Fasano, a master teacher of Chi Nei Tsang, gentle abdominal massage, that answers that question. Francesca will be in the Traverse City area April 27 thru May 9th teaching 3 different classes about abdominal massage called Chi Nei Tsang. The first class is for those who want to learn to do this on themselves to improve their health and vitality. The second class is the fundamentals of Chi Nei Tsang which gives you the knowledge and ability to add this to your practice. The last class is advance techniques that dive deeper into the somato-emotional processing that occurs with Chi Nei Tsang.