2. The exercise frequency should be controlled. The faster the exercise frequency, the greater the exercise intensity, the slower the frequency and the smaller the intensity.
3. Exercise types should be controlled. Different exercise types and exercise intensities are different, and exercise prescriptions should be made according to patients' conditions.
4, the number of exercises should be controlled, how many times a week, how long each exercise, and long-term exercise prescriptions at different times to achieve different exercise intensities.
5. The number of groups controls the movement. Different groups have different exercise intensities. The greater the intensity, the more groups there are.