Table 2 Location of acupoints in NAM group

Yaoyan (EX-B7)

In the lumbar region, at the same level as the inferior border of the spinous process of the fourth lumbar vertebra (L4), 3.5 cun lateral to the posterior median line.

Pigen (EX-B4)

In the lumbar region, at the same level as the inferior border of the spinous process of the first lumbar vertebra (L1), 3.5 cun lateral to the posterior median line.

Yinbao (LR9)

On the medial aspect of the thigh, between the gracilis and the sartorius muscles, 4 cun proximal to the base of the patella.

Ququan (LR8)

On the medial aspect of the knee, in the depression medial to the tendons of the semitendinosus and the semimembranosus muscles, at the medial end of the popliteal crease.

Ligou (LR5)

On the anteromedial aspect of the leg, at the center of the medial border (surface) of the tibia, 5 cun proximal to the prominence of the medial malleolus.

Fuliu (KI7)

On the posteromedial aspect of the leg, anterior to the calcaneal tendon, 2 cun superior to the prominence of the medial malleolus.

Gongsun (SP4)

On the medial aspect of the foot, anteroinferior to the base of the first metatarsal bone, at the border between the red and white flesh.