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30. Diseases caused by the Five Movements and Six Qi, though differing in name, share similar pathological conditions but vary according to constitutional endowment. Now, these two types of diseases are categorized together to prevent physicians from expending effort in vain.
[Note] Diseases caused by the Five Movements and Six Qi, although named differently as Wood, Fire, Earth, Metal, Water, Wind, Summer-heat, Dampness, Dryness, and Cold, actually present with similar clinical manifestations. Here, diseases associated with Wood Movement, Wind Qi, Fire Movement, Summer-heat Qi, Earth Movement, Dampness Qi, Metal Movement, Dryness Qi, Water Movement, and Cold Qi are collectively grouped into one category. This is done so that novice practitioners do not waste their mental energy without finding the underlying principles.

31. Various wind-induced tremors and vertigo belong to Liver Wood; sudden stiffness and rigidity are caused by Wind. Pain in limbs and joints, flaccidity and twisting of sinews making turning difficult, abdominal tension, tendon shortening, and pain in both hypochondria are all involved.
[Note] In Heaven it is Wind, in Earth it is Wood, in Humans it is the Liver, and in the body it is the Sinews. Wind Qi connects with the Liver; therefore, all wind-related diseases belong to Liver Wood. "Diao" refers to shaking or trembling; "Xuan" refers to dizziness or vertigo. Wind governs movement and rotation; thus, when diseased, the head and body shake, and vision becomes dizzy. "Bao" means sudden; "Qiangzhi" refers to a sinew disease characterized by stiffness and lack of flexibility. The nature of Wind is vigorous and urgent; when Wind enters the sinews, sudden stiffness and rigidity occur. Cramping and pain in the four limbs, softness and shortening of sinews, abnormal dysfunction making turning difficult, abdominal tension, and hypochondriac pain are also due to Wind damaging the sinews and transitioning into interior pathology.

32. Various pains, itching, and sores belong to Heart Fire; various heat-induced coma, aphonia, restlessness, delirium, and mania; sudden diarrhea with tenesmus; vomiting of sour and bitter fluids; penetrating pain in the chest and back; and calamities for those with blood disorders.
[Note] In Heaven it is Heat, in Earth it is Fire, in Humans it is the Heart, and in the body it is the Vessels (Mai). Heat Qi connects with the Heart; therefore, all fire-induced diseases such as pain, itching, and sores belong to Heart Fire. Mild heat causes dryness and skin itching. Severe heat causes burning and skin pain. When Heat enters the vessels and coagulates with Blood, superficial involvement results in carbuncles (Yong), while deep involvement results in ulcers (Ju); further penetration damages the Zang-Fu organs. The Heart houses the Spirit (Shen); when Heat attacks the Heart, the Spirit becomes unclear, leading to coma and loss of consciousness. The Heart governs speech; when Heat attacks the Heart, the Spirit cannot discern, leading to aphonia and inability to speak, or delirious speech. Fire governs movement; when Heat invades the body, the body moves restlessly, causing agitation, which may progress to mania if severe. "Baozhu" refers to sudden watery diarrhea, caused by the interaction of Fire and Water. "Xiapo" refers to tenesmus and abdominal urgency, caused by the interaction of Fire and Qi. Vomiting sour and bitter fluids indicates Fire affecting the Stomach. Penetrating pain in the chest and back indicates Fire injuring the Chest. Calamity for blood patients occurs because Heat entering the vessels causes blood to overflow; if it does not flow upward, it flows downward, resulting in all kinds of hemorrhagic diseases.

33. Various dampness-induced swelling and fullness belong to Spleen Earth; cholera, retained fluid, stagnation, obstruction, and pain; decreased appetite, heavy body, and inability to lift the limbs; abdominal distension, borborygmus, and frequent incomplete digestion diarrhea.
[Note] In Heaven it is Dampness, in Earth it is Earth, in Humans it is the Spleen, and in the body it is Flesh/Muscle. Dampness Qi connects with the Spleen; therefore, all dampness-related diseases belong to Spleen Earth. Accumulation of Dampness internally and externally leads to flesh swelling and abdominal fullness. Disturbance of fluids in the middle jiao leads to Cholera. Loss of Spleen's transportive function leads to retained fluid. Congestion of Spleen Qi leads to stagnation, hardness, constipation, and pain. The Spleen governs the transformation of food; when diseased, appetite decreases. The Spleen governs muscles; excessive Dampness leads to heaviness of the body. The Spleen governs the four limbs; inability to lift the limbs is also caused by Dampness. The Spleen governs the abdomen; Dampness invading the abdomen leads to abdominal fullness, borborygmus, and diarrhea with undigested food.

34. Various qi stagnation, depression, and flaccidity belong to Lung Metal; wheezing, coughing, phlegm with blood, and rising qi; various dryness, astringency, withering, dehydration, stiffness, skin cracking and peeling, and shoulder-arm pain.
[Note] In Heaven it is Dryness, in Earth it is Metal, in Humans it is the Lung, and in the body it is Skin. Dryness Qi connects with the Lung; therefore, all dryness-related diseases belong to Lung Metal. "Fenyu" refers to rebellious qi, chest fullness, and stifling sensation without relief. "Wei" refers to Lung Wei with coughing and continuous expectoration of turbid phlegm and saliva. Wheezing, coughing, rebellious qi, and expectoration of phlegm and blood are all Lung diseases. Astringency, withering, dehydration, dryness, and stiffness are all transformations of Dryness. Stiffness resembles rigidity and involves stiff sinews. Sudden onset is often due to Wind entering and stiffening the sinews. Long-standing cases are often due to dryness causing stiff sinews. "Cun" refers to rough and astringent skin. "Jie" refers to peeling skin, indicating Dryness disease on the exterior. Shoulder and arm pain indicate Dryness disease in the meridians.

35. Various cold-induced contraction and pulling belong to Kidney Water; vomiting and purging of foul-smelling and clear-cold fluids; cold extremities, rigid joints, and pain; masses, hernias, and urgent, hard abdominal pain.
[Note] In Heaven it is Cold, in Earth it is Water, in Humans it is the Kidney, and in the body it is Bones. Cold Qi connects with the Kidney; therefore, all cold-related diseases belong to Kidney Water. "Shou" means contraction; "Yin" means urgency/tightness. The Kidney belongs to Water, its transformation is Cold, leading to contraction and cramping, which is the manifestation of Cold. The transformation of Heat involves vomiting and purging of sour/bitter fluids; thus, the transformation of Cold involves vomiting and purging of foul-smelling fluids. The transformation of Heat involves turbid fluids; thus, the transformation of Cold involves clear and cold fluids. "Jueni" refers to cold extremities. "Jingu" refers to contraction, pulling, and stiffness. Cold injuring the exterior causes joint pain. Cold injuring the interior leads to masses (Zhengjia), hernias, and urgent, hard abdominal pain.