a series of relaxation techniques in which a quasi-hypnotic state is self-induced and deep relaxation is achieved through mental imagery, breath control, and exercises that focus attention on physical sensations – including warmth and heaviness of the limbs, a regular heartbeat, abdominal warmth, and cooling of the forehead. The aim of the training is to reduce stress by gaining control of autonomic arousal associated with anxiety and to obtain an ideal performance state, (developed in the early 20th century by German neurologist Johannes Heinrich Schultz (1884-1970)]