First, don't move when braking. Generally, just lie flat on the bed and don't move. Second, you can stretch local muscles, such as the quadriceps femoris on the front side of the thigh. Usually, you can stand up and hold the ankle joint of the ipsilateral lower limb with the palm of your other hand, and then try to stretch the hip joint and knee joint and stretch the quadriceps femoris to achieve the purpose of relaxation; If it is the biceps femoris on the back of thigh, you can lie down and straighten the whole hip joint or knee, and the hip joint can bend and stretch the biceps femoris as much as possible. Thirdly, muscles can be relaxed by local muscle massage or electrotherapy, such as medium-frequency pulse electrotherapy and low-frequency pulse electrotherapy.