Acupuncture Point Zhongdu (GB32)
Location:
Upright sitting or supine position; firstly, draw a horizontal line along the medial side of tibia 7 cun above the tip of medial malleolus. at the juncture of the anterior 1/3 and intermediate 1/3 of this line.

Function:
Soothing the liver, and regulating flow of qi and menstruation.

Regional Anatomy:
Skin-subcutaneous tissue-medial surface tibial.
There are the medial cutaneous branches of the leg from the saphenous nerve and the great saphenous vein in this area.

Indications:
Abdominal pain, hypochondriac pain, Diarrhea, hernia, uterine bleeding, and prolonged lochia.

Prescription:
Combined use with Huiyang (BL35) for treatment of dysmenorrhea; with Zusanli (ST 36) He-Sea Point) for treatment of enteritis; and with Hegu (LI 4) Yuan-Source Point), Quchi (LI 11) He-Sea Point), Zhongzhu (TE3) Shu-Stream Point), and Yemen (TE 2) Ying-Spring Point) for treatment of edema of limbs.

Methods:
Insert the needle subcutaneously to 1-1.5 cun depth; needling response: local numbness and distention, radiating downward.