There are numerous acupressure points in the area around the knees, among which the xiyan (" eye of the knee ") is dominant. As Xiong describes," The xiyan says, 'Every day I move up and down, expending a lot of energy. Why don't you come and help me?' "
像是膝蓋周邊穴道很多，中間的膝眼是老大，「膝眼說，『我每天上高下低，動得很吃力，你們怎麼不來幫幫我？』