WHAT DOES LIGHT THERAPY ACTUALLY DO ? LIGHT THERAPY CAN:
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Increase vascularity (circulation) by increasing the formation of new capillaries which are additional blood vessels that replaced damaged ones. New capillaries speed up the healing process by carrying more oxygen as well as more nutrients needed for healing and they can also carry more of the waste products away.
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Stimulate the production of collagen. Collagen is the most common protein found in the body. Collagen is the essential protein used to repair damaged tissue and to replace old tissue. It is the substance that holds cells together and has a high degree of elasticity. By increasing collagen production less scar tissue is formed at the damaged site.
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Stimulate the release of endorphin, enkephalin and dynorphin which are the body's natural pain killing chemicals. These chemicals are the body's own cortisols, or the body's own long-term pain fighting chemicals.
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Stimulate the release of adenosine triphosphate (ATP). ATP is the major carrier of energy to all cells. Increases in ATP allow cells to accept nutrients faster and get rid of waste products faster by increasing the energy level in the cell. All food turns into ATP before it is utilized by the cells. ATP provides the chemical energy that drives the chemical reaction of the cell.
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Accelerate lymphatic system activity. Edema, which is the swelling or natural splinting process of the body, has two basic components. The first is a liquid part which can be evacuated by the blood system and the second is comprised of the proteins which have to be evacuated by the lymphatic system. Research has shown that the lymph vessel diameter and the flow of the lymph system can be doubled with the use of light therapy. The venous diameter and the arterial diameters can also be increased. This means that both parts of edema (liquid and protein) can be evacuated at a much faster rate to relieve swelling.
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Increase RNA and DNA synthesis. This helps damaged cells to be replaced more promptly.
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Reduce the excitability of nervous tissue. The photons of light energy enter the body as negative ions. This calls upon the body to send positive ions like calcium among others to go to the area being treated. These ions assist in firing the nerves thereby relieving pain.
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Stimulate fibroblastic activity which aids in the repair process. Fibroblasts are present in connective tissue and are capable of forming collagen fibers.
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Increase phagocytosis, which is the process of scavenging for and ingesting dead or degenerated cells by phagocyte cells for the purpose of clean up. This is an important part of the infection fighting process. Destruction of the infection and clean up must occur before the healing process can take place.
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Induce a thermal like effect in the tissue. The light raises the temperature of the cells although there is no heat produced from the diodes themselves.
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Stimulate tissue granulation and connective tissue projects, which are part of the healing process of wounds, ulcers or inflamed tissue.
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Stimulate acetylcholine release. Acetylcholine causes cardiac inhibition, vasodilation, gastrointestinal peristalsis and other 'parasympathetic effects.
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Stimulate serotonin synthesis. Serotonin is liberated by blood platelets and inhibits gastric secretion and stimulates smooth muscle.
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Increase synthesis of ketosteroids, steroids possessing ketone groups, and corticosteroids produced by the adrenal cortex.
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Inhibit prostaglandin (physiological) effects on tissue which will also reduce vasodilation, edema and stimulate intestinal and bronchial smooth muscle.
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Stimulate cell proliferation (growth and reproduction of cells) and motility (ability of cells to move under their own power).
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Stimulate macrophages, large white blood cells that can each engulf hundreds of bacteria. This enhances the immune response. Macrophages are involved In both cell mediated immune responses and the production of antibodies. They secrete immunoregulatory molecules.
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Increase nerve conduction rates.
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Help relieve arthritis symptoms.
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Speed the healing process up to twice the normal rate.
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Stimulate the components of the mitochondria which are the principle energy source of the cell. This is the site of aerobic respiration of the cell. The chemical reaction within the mitochondria releases the energy from nutrients taken into the cell. It is the place where ATP is formed.
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Increase the intracellular ph.
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