Take out an hour of exercise every day, and you can do it: lift your legs for 30 seconds. Action points: the abdominal muscles can be slightly bent and landed gently. Sit against the wall for 30 seconds. Action points: keep the upper back straight, squat down against the wall, put your feet forward, and try to make the knee joint angle greater than or equal to 90 degrees. Push-ups for 30 seconds (women can replace kneeling push-ups) Action points: Women can change to kneeling push-ups or elastic belt push-ups, and men can change to elastic belt resistance push-ups.