Physiological effects of thermotherapy allow to increase blood flow to the skin by dilating blood vessels, i.e. higher supply of oxygen and nutrients to the tissue, muscles close to the body surface relax and become more elastic, stiffness of the joints decreases, internal pain receptors in heated areas of the body are blocked , the post-acute phase of healing is accelerated, swelling is reduced . Contraindications are angina pectoris, heart attack, peripheral circulatory disorders 2-4 degree, pregnancy.