Swing legs: hold the tree with one hand, first swing the calf forward, so that the toes are tilted forward and upward, and then swing backward, so that the toes are stressed backwards, the feet are straightened, and the legs are also straightened, and the legs are alternately swung, and it is appropriate to swing 80 ~ 100 times each time. This method can prevent hemiplegia, lower limb atrophy, weakness or numbness, leg cramps and other symptoms.

Bird play, also known as crane play, imitates the image of crane and moves lightly and smoothly. To practice this play, we should focus on the sea of qi, which is the key to ren mai and the sea of qi and blood.