接电话 他突然猛地一顶

Push your head upwards, lower your waist strength, and relax your body naturally. This is the "stretching strength of the waist and loosening of the Dantian". Zhanzhuang is to tighten the strength of the whole body, but feel empty in the belly. Imagine that you are like a big tree piercing the depths of the earth. Relax your whole body and it will come naturally....