[[R22]] Indications: Cold and dampness in the meridians of the hands and feet, pain in the inner sides of the arms and thighs, impotence, drowsiness, heat and pain under the feet, umbilical pain, pain in the hypochondrium, chest fullness, pain in the upper and lower abdomen, difficulty in defecation, neck swelling, cough, cold waist, etc. Exercise method: Between 23 and 3 a.m. every day, stand up and sit flat. Stretch your legs forward, spread them to the left and right, shoulder-width apart. Half-clench your fists and place them on your knees, with your elbow joints facing diagonally forward to the left and right, the eye of the fist facing the abdomen, and the center of the fist facing outward. Lean forward and press your knees with your fists as hard as possible. Shift the center of gravity backward and gently press the fist on the knee. Do this fifteen times. Then, clench your teeth, swallow saliva and breathe in and out. The method is the same as before.