Acupuncture Point Yaoshu (GV2)
Location:
Lie pronely or on one`s side; firstly, locate sacral apexes on the left and the right side superior to coccyx, on the posterior median line, at the same level of the inferior border of two sacral apexes.
Function:
Strengthening the waist and knee, regulating lower jiao and removing damp and heat.

Regional Anatomy:
Skin-subcutaneous tissue-dorsal sacrococcgyeal ligament-sacral canal.
In the superficial layer, there are the posterior branches of the 5th sacral nerve. In the deep layer, there is the coccygeal plexus.

Indications:
Irregular Menstruation, pain and stiffness of the lower back, Hemorrhoids, muscular atrophy of the lower extremities, Epilepsy.

Prescription:
Combined use with Chengshan (BL57) for treatment of hemorrhoid and rectocele; with Acupuncture Single Point Zhongji Front-Mu Point of the Bladder) for treatment of pelvic inflammation; and Guanyuanshu (BL 26) Front-Mu Point of the SmallIntestine) impotence and emission; with Acupuncture Single Point Zhongji, Acupuncture Single Point Baihui, Daheng (SP 15), and Sanyinjiao (SP6) for treatment of chronic prostatitis; and with Changqiang (GV 1) Luo-Connecting Point), Pangguangshu (BL 28),Baihuanshu (BL30), Shangliao (BL31), Xialiao (BL34), and Juliao (GB29) for treatment of lumbago.

Methods:
Insert the needle obliquely to upward 0.5-1 cun depth; needling response: local numbness and distention; moxibustion: using 3-10 moxa-cones, or mild moxibustion for 15 min.