Table 1. Locations of acupoints and non-acupoints.

Description	International code	Locations
		Acupoints
Inner knee eye	EX-LE4	Located in the depression outside the patella and patellar ligament when the knee is bent 90 degrees.
Outer knee eye	EX-LE5	Located in the depression inside the patella and patellar ligament when the knee is bent 90 degrees.
Yanglingquan	GB34	On the outside of the calf, in the depression of the anterior and inferior fibula head.
Zusanli	ST36	It is exactly 3 cun below EX-LE4.
		Non-acupoints
Point 1	-	Replace EX-LE4. Located on the non-acupoint 1 cun below EX-LE4.
Point 2	-	Replace GB34. Located on the non-acupoint 0.5 cun behind GB34.
Point 3	-	Replace ST36. Located on the non-acupoint 3 cun behind ST36.
Cun is a unit of length. The cun described in Chinese medicine is a method of determining the location of acupoints based on the patient's own fingers. Due to individual differences, 1 cun is equivalent to the width of a patient's thumb knuckle.