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本文对13名练功老人练功前、练功后即刻及发放外气时其劳宫穴与丹田穴磁场强度的改变进行了观察,并以13名相匹配的不练功的健康老人作对照。结果表明,练功组与对照组老人的磁场强度比较差异极其显著(P<0.01),练功组老人练功前与练功后即刻磁场强度比较也有极显著差异(P<0.01),练功前后两侧劳营穴磁场强度的对比差别不明显(P>0.05),但右手发放外气时所测的磁场强度大于左手(P<0.01)。
In this paper, the changes of the magnetic field intensity of Laogong and Dantian cavities were observed before and after practicing exercises, and 13 healthy elders who did not practice their health were compared. The results showed that there was significant difference in magnetic field strength between the two groups (P <0.01). There was also a significant difference (P <0.01) between the magnetic field strengths of the elders before and after practice, The difference of magnetic field intensity was not significant (P> 0.05), but the intensity of magnetic field measured by right hand was higher than that of left hand (P <0.01).