Kung-Fu, or Tauist Medical Gymnastics, by John Dudgeon, [1895], at sacred-texts.com
4.—Middle of the Second Month,—termed the "Spring Equinox."—Extend the hands, turn the head to the right and left 6 × 7 times, knock the teeth 6 × 6, inspire and swallow 3 × 3. To cure weakness and the vicious poison of the chest (consumption), shoulders, back, and small blood-vessels, tooth-ache, neck swollen, rigors, feverishness, deafness or ear-ache, tinnitus aurium, pain. behind the ears, pain of the shoulders, elbow, upper arm, and back, oppression in the lungs (fulness), skis feeling like a husk or shell (not painful but itchy).—See Figure, below.