Table 2.

The locations of acupoints.

Acupoints	Location
BL20 (Pishu)	In the upper back region, at the same level as the inferior border of the spinous process of the 11th thoracic vertebra (T11), 1.5 B-cun lateral to the posterior median line
BL21 (Weishu)	In the upper back region, at the same level as the inferior border of the spinous process of the 12th thoracic vertebra (T12), 1.5 B-cun lateral to the posterior median line
BL25 (Dachangshu)	In the lumbar region, at the same level as the inferior border of the spinous process of the fourth lumbar vertebra (L4), 1.5 B-cun lateral to the posterior median line
CV12 (Zhongwan)	On the upper abdomen, 4 B-cun superior to the center of the umbilicus, on the anterior median line
ST25 (Tianshu)	On the upper abdomen, 2 B-cun lateral to the center of the umbilicus
LR13 (Zhangmen)	On the lateral abdomen, inferior to the free extremity of the 11th rib