| Summary: | 碩士 === 國立體育大學 === 運動保健學系 === 102 === Recently, many people in Taiwan enjoy doing exercise, such as go mountain climbing and jogging on holidays. However, they would feel pain in their knees because their knees are gradually worn being used for a long time, causing inconvenience in our life. Negative magnetic energy and acupuncture therapy are non-invasive therapies that receive the most attention in medical field and with the least side effects. It is interesting to see how these therapies eliminate pains. Purpose: This study aims to explore the effects on the chronic pain caused by osteoarthritis of knee by applying negative magnetic energy on acupuncture points. Methods: The study collects the data of 57 subjects (average age 47.24±9.16 years old). They are randomly divided into an experimental group (attached real magnetic to the five-acupuncture points) and a control group (attached fake magnetic to the five-acupuncture points). The researcher would record the subjects' scores in perceived pain scale (VRS,VAS) and their knees' range of motion (ROM) before the magnetic is attached, after 45 minutes, after 6 hours, and after 24 hours. The result uses paired samples t to inspect the differences before and after the magnetic is applied. Independent samples t, on the other hand, are used to analyze the variation rate of the progress of the two groups. Its significance level is p<0.05 statistically. Results: In VRS, after the magnetic is applied in 45 minutes (1.655±0.124), 6 hours (1.275±0.12), and 24 hours (0.965±0.092), all of which lower than the average value (M±SD) before the magnetic is attached (1.862±0.107), the experimental group achieves significance level (p<0.05), while in comparison with the average value (M±SD) before the magnetic is attached (1.464±0.108), the control group does not achieve significance level after the magnetic is attached in 45 minutes (1.464±0.108) and 6 hours (1.392±0.093). It achieves significance level (p<0.05) after 24 hours (1.25±0.11). In VAS, after 45 minutes (4.265±0.258), 6 hours (3.679±0.246), and 24 hours (3.006±0.292), the value of the experimental group is lower than the average value (M±SD) before the magnetic is attached (4.524±0.24), achieving significance level (p<0.05), whereas in comparison with the average value (M±SD) before the magnetic is attached (3.714±0.204), the control group does not achieve significance level after 45 minutes (3.714±0.204) and 6 hours (3.642±0.213). Significance level (p<0.05) is achieved only when the magnetic is attached after 24 hours (3.46±0.249). In terms of the ROM, after being attached (133.275°±0.569°), the experimental group's average value (M±SD) is apparently higher than that before being attached (129.655°±0.958°). After being attached (132.321°±0.479°), the control group's average value (M±SD) is apparently higher than that before being attached (131.428°±0.622°). Both groups achieve significance level (p<0.05). In terms of the difference in progress between these two groups, in VRS, the reduction of the score in perceived pain scale in both groups does not achieve significance level. However, after being attached in 24 hours, the experimental group's pain is reduced significantly, achieving significance level (p<0.05). In VAS, both groups tend to reduce, but the reduction does not achieve significance level. Nevertheless, the score of pain reduction in the experimental group is apparently better than that in the control group (after 24 hours, the variation rate of the experimental group is -33％ while the control group is -6％). In terms of the increase of the ROM, both groups tend to increase, but do not achieve significance level. Yet the experimental group increases more significantly than the control group (after being attached, the variation rate of the experimental group is 2.7%, while that of the control group is 0.6%). Conclusion: Therefore, this study concluded that attaching negative magnetic energy to the five-acupuncture points has painkilling effects on the chronic pain caused by osteoarthritis of knee, and it helps improve the knees' range of motion as well.
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