[[R18]] Indications: Rheumatism and arthralgia invading the waist and legs, the pathogen cannot bend, pain in the lower legs, pain in the neck, back, waist and buttocks, protrusion of the navel, muscle atrophy, bloody stool, distension and pain in the lower abdomen, difficulty in urination, long-term hemorrhoids and rectal prolapse, etc. Exercise method: Between 1 a.m. and 5 a.m. every day, sit with your legs stretched forward, hold the soles of your left and right feet with both hands respectively, and bend your knee joints. Then push your feet forward, pull your hands back, and strive for several seconds. Bend your knees and your arms will bend accordingly. Repeat this process thirty-five times. Then, clench your teeth, swallow saliva, and perform breathing exercises. The final practice is the same as before.