目前许多单位工作表明,针刺“得气”时的酸、重、胀感觉是由深部感受器接受针刺刺激而产生的。西安医学院针麻原理研究室曾用形态和生理学的方法证明合谷穴针感感受器主要是肌梭。并给动物静脉注射三碘季铵酚观察到呼吸停止后,合谷穴穴位肌电仍相当活跃。它具有持续时间长、电压低、“单位型”放电的特征。特命名为 At present, many units work shows that acupuncture “get angry” when the acid, heavy, dilatory feel by the deep receptors to stimulate acupuncture generated. Xi’an Medical College acupuncture anesthesia Laboratory has used morphological and physiological methods that Hoggut acupuncture receptors are mainly muscle spindle. And intravenous administration of triiodide quaternary ammonium to animals observed respiratory arrest, HG acupoint EMG is still quite active. It has a long duration, low voltage, “unit type” discharge characteristics. Special name is