Positive effects of warm water and air massage on human body have been known and used already for at least two thousand years. Hydrotherapy in a hot air massage bathtub removes fatigue and pain. Whirlpool massages are recommended by physicians also to persons undergoing rehabilitation after an injury of the locomotor system. In general it could be said that hydrotherapy has positive effects on improvement of psychical well-being, against stress, insomnia, muscle pain, arthritis, it improves blood circulation and heart function.