This section is from the book "The Beverages of the Chinese; Kung-fu or Tauist Medical Gymnastics; the Population of China; A Modern Chinese Anatomist and A Chapter in Chinese Surgery.", by John Dudgeon. Also available from Amazon: Kung Fu, or Taoist Medical Gymnastics.
Prescription. - Take of hsuen-hu-so, tang-kwei, jou-kwei, of each 1 ounce; powder, mix with wine, and take 3 or 4 mace. Add wine according to each individual's wine capacity; when the pain ceases, cease the medicine.
No. 42. - Hsia Yun-feng imitating the Black Dragon in a horizontal position on the Ground. - To cure pain of the back and spine.
Bend the body, creep on the ground, kneel, place the two hands on the ground, revolve the air right and left 6 times.
A similar exercise is enjoined in that known as Using the Golden Block to sodden the Earth. - For the cure of abdominal pain.
Both hands are raised above the head with the palms upwards as if supporting heaven, and both heels are pressed firmly on the ground; the arms are drawn down, and nine respirations are taken. (Compare No. 7 of the Ornamental Sections).