When he rapped the chest he did it slowly, carefully . 当他叩打病人的胸部时，他的动作很慢，很小心。
2.
Operation : naturally bending the fingers with both hands , attacking on shoulder up and down 操作：双手呈自然屈曲拳，以腕关节一起一落带动双掌交替着力叩打肩部。
3.
Operation : the performer knocks on “ ba liao ” point up and down with natural fists and then fists changed into palms to knock with strength repeatedly for two to three times 操作：施术者双手自然握拳以腕关节的一起一落带动双拳交替着力叩打，在八?处，变拳为掌叩，并用力叩击二至三次。
