The characteristic of shiatsu is to apply pressure using only the fingers, palms and especially the thumbs on points that have been related to the central and autonomic nervous systems. Reflections of the acupuncture channels in the arms and legs are considered so that a shiatsu treatment should a) involve the whole body, b) require a focused practitioner sensitive to the energy distributions of the body, and c) provide an extra dimension of connection and support (using both hands where one 'listens' and the other acts). In both styles, however, the essence of shiatsu is "Diagnosis and Therapy combined Our practitioners use their sensory organs (palms, fingers, and thumbs) to detect disharmonies in the energetic components of the body, (such as stiffness or slackness at or within its surface), and to perform empirically established routines to correct these problems.