(1) Stand up straight, put your feet together, and kneel down.
Stand up for 20 ~ 3o times.
(2) Bend down, and make circular movements with both hands and knees to the left and right for 20-30 times.
(3) Keep your feet slightly open, bend over, and tuck your knees in your hands to stop your knees from leaning inward. Stop for 10 second each time and do it for 5 ~ 10 times.
(4) Stand with two feet in parallel. First, take the heel as the axis and do toe abduction and internal rotation; Then do heel abduction and internal rotation 20 ~ 30 times with tiptoe as the axis.
(5) Sit in a chair and try to hold the book with your calf for a while. If you tie your knees with rubber bands, the effect will be more obvious.
(6) Sit on your knees, your waist collapses, your feet slowly move outward, and your waist will gradually straighten. Do 15 ~ 20 times.