The tail is upright, the neck is raised, the upper hand sinks the shoulder, the elbow, wrist and forefinger pick, the palm is everted, the abdomen is closed, and the feet are naturally separated, showing three or seven points or four or six points.
In the middle of the tail, the coccyx faces the ground, and the buttocks should not be tilted or too close.
The exercises of three postures are all about strength.
I don't often stand on the round pile, but the two mixed stations are really a supplement. If you are tired, you can stand on the round pile and have a rest. If you want to stand out, you have to stand for half a year.