Table 2 Acupuncture point selection

RN4 (Guanyuan)

On the lower abdomen at the anterior midline, 3 cun below the umbilicus

EX-CA1^a (Zigong)

On the lower abdomen, 4 cun below the center of the umbilicus and 3 cun lateral to the anterior midline

ST29^a (Guilai)

1 cun cranial to the pubic bone and 2 cun lateral of the midline

ST36^a (Zusanli)

At the anterior aspect of the leg 3 cun inferior to ST35 (Dubi) on the line connecting ST35 (Dubi) to ST41 (Jiexi)

SP6^a (Sanyinjiao)

On the tibial aspect of the leg posterior to the medial border of the tibia, 3 cun superior to the prominence of the medial malleolus

RN6 (Qihai)

With the patient supine, the point is halfway between the center of the umbilicus and RN4 (Guan yuan)

RN12 (Zhongwan)

On the upper abdomen at the anterior median line, 4 cun above the umbilicus

ST25^a (Tianshu)

On the upper abdomen 2 cun lateral to the center of the umbilicus

KI3^a (Taixi)

On the posteromedial aspect of the ankle in the depression between the prominence of the medial malleolus and the calcaneal tendon

KI6^a (Zhaohai)

On the medial aspect of the foot in the depression inferior to the medial malleolus, 1 cun inferior to the prominence of the medial malleolus

LV3^a (Taichong)

On the dorsum of the foot between the first and second metatarsal bones in the depression distal to the junction of the bases of the two bones and over the dorsalis pedis artery

SP10^a (Xuehai)

With the knee flexed, on the medial side of the thigh 2 cun above the superior medial corner of the patella on the prominence of the medial head of the quadriceps muscle of the thigh

PC6^a (Neiguan)

On the medial aspect of the forearm between the palmaris longus and the flexor carpi radialis tendons, 2 cun proximal to the palmar wrist crease

DU20 (Baihui)

On the head at the anterior median line, 5 cun superior to the anterior hairline