Methods The study was performed in 30 healthy volunteers who underwent acupuncture at Yuan-Source acupoint (Chongyang, ST42) and He-Sea acupoint (Zusanli, ST36) (ST group).

• 方法 对30名健康志愿者使用电针同时刺激原穴（冲阳，ST42）、合穴（足三里，ST36）后，采用血氧水平依赖法进行功能磁共振成像；