If you want to sit often, there is a good way.
Sit up straight in the chair, keep your feet on the ground, only move your toes, and turn your toes up alternately. Stick to 15 minutes every day, and it will be effective.
3. Lie on the bed, with your whole leg leaning against the wall and your body at a 90-degree angle with the wall. Do this for 30 minutes every day, and the effect is obvious!
4, walk with a straight waist, and sometimes jump up and cheer! Wish you success!