The sky is divided into yin and yang, and the sky is divided into men and women. People identity front chest and back. But we are looking at the yin and yang if you look at the bagua figure to understand, yin and yang is actually one, inseparable, yin pole and yang birth, yang pole and yin long.
Life has positive and evil, there are external evil and internal evil, Yang Qi enough evil does not invade the body. Yang qi too much will become fire, but on the contrary, the body is not good, so dancing square dance appropriate consumption under the human body is not harmful, relatively speaking, there are benefits, Yang move and will not let the Yang pole, of course, you move the hand and foot cramps are still moving, I guess that's a spiritual problem.
So square dancing will not drain the Yang Qi, just adjust the Yang, beneficial to the body.