Each concentrated movement relaxes muscles that are taut with tension. Each control and function is designed to offer therapeutic relief and tension release - right at home! Ergonomically contoured chairs provide the optimum in comfort as regular seating that is stylish as well. Massage chairs help relieve stress and encourage better health through Shiatsu massage therapy, a system of massage developed in Japan. It is sometimes also referred to as acupressure, or as a Japanese form of physiotherapy.