| dc.description.abstract | In this thesis, the illumination superposition theory is used to perform a simple optical simulation to the skin, the illuminance is related to vertical distance and azimuth. Regard each skin-layer as a receiver in different distance and try to estimate the expected range of the light source. Adjust the diameter of the light source and other experimental parameters according to the distance of the target position in the tissue.Using the value of wavelength offset ±20 nm in the scope of 660 nm, 780 nm, 810 nm and 904nm, calculating the experimental parameters of light therapy through self-built mathematical model.
According to the measurement of the hardness and temperature variety of the target , the results that if the hardness value of the initially measured target is lower than 20, the muscle hardness will increase after exposuring infrared LD. If the hardness value is greater than 20,it will decrease after exposuring. Whether it is the cupping therapy or the red- infrared light therapy with LD or LED, there is a tendency to variety the hardness of the tissue. If the former and the latter two are used in combination, the hardness variety will be different from single. In addition, the hardness values affected by LD and LED have different trends, which may be related to the characteristics of the light source. If the target tissue belongs to the part with more muscle distribution, the hardness value will be reduced to 25-30, and secondly, it will be reduced to 15-25. Otherwise, the part with more fat and less muscle will reduce the hardness value to 5-10. Finally, it is located above the bone with less fat, and the hardness value will be between 30-40.
The results are greatly affected by the physical condition of the subjects. According to the overall results, light therapy will still affect shallow tissues in the short term, and long-term observations are needed for the effects on deep tissues. However, if it is used in combination with cupping therapy, it can change the original state of relatively deep tissues through negative pressure and perform light therapy, which will bring an additive effect. Experiments have confirmed that the selected red-infrared light band combined with cupping therapy is effective Relieving the circulation and parts of the body has the effect of assisting recovery. | en_US |