Exercise methods to enhance the flexibility of the waist: a. Wind swing lotus leaf standing, two feet apart slightly wider than shoulder width, hands crossed waist. Arm and leg as far as possible, do the upper body left and right side bend, leaning forward and backward all kinds of 10 times each. Like a lotus leaf in the wind swaying around. Second, the wave in the boat standing, two feet apart slightly wider than shoulder width, hands crossed waist. Arms and legs around to keep still, do waist big gyratory action, first clockwise, then counterclockwise, 10 times each. Third, left and right hand pushing standing, two feet apart slightly wider than shoulder width, hands supporting fist in the waist, the left hand open fist slowly and forcefully to the right side, while the waist to the right side, while the waist to the right, back to the original complex, in turn, push the right hand. Left and right repeatedly 10 times each. Four, hands climbing feet standing, feet apart slightly wider than shoulder width, hands on both sides of the flat, bend waist left rotation right hand corner around, straighten restore, then bend waist right rotation, left hand touch right foot, left and right repeated 20 times. Five, tiptoe limb kick standing, feet together, heel rhythmically lift off the ground, and then put down, alternately, for 1 ~ 2 minutes, and then double lower fat alternately rhythmically try to kick forward after stretching. Continue for 10~20 times.