Acupuncture Point Dushu (BL16)
Location:
Lie prostrate; at the level of the lower border of spinous process of the 6th thoracic vertebra, 1.5 cun apart from LingtaiGV10(Lingtai (GV10)) laterally.

Function:
Adjusting the flow of qi and blood, and regulating the functions of gastrointestine.

Regional Anatomy:
Skin-subcutaneous tissue-trapezius muscle-erector spinal muscle.
In the superficial layer, there are the medial cutaneous branches of the posterior branches of the 6th and 7th thoracic nerves and the accompanying arteries and veins. In the deep layer, there are the muscular branches of the posterior branches of the 6th and 7th thoracic nerves and the branches or tributaries of the dorsal branches of the related posterior intercosral arteries and veins.

Indications:
Endocarditis and epicarditis, abdominalgia, broborygmus, phrenospasm, mastadenitis, cutaneous pruritus, and Psoriasis.

Prescription:
Combined use with XimenPC4 (Ximen (PC4) Xi-Cleft Point) for treatment of tachycardia; and with DazhuiGV14 (Dazhui (GV14)) for treatment of epilepsy.

Methods:
Insert the needle horizontally 0.5-1 cun deep; needling response: local numbness and distension; moxibustion: using 3-5 moxa-cones, or mild moxibustion for 10-20 min.
Note:
Don`t puncture deeply, or else the needle would penetrate the transversospinal muscle-the external intercostal muscle-the internal intercostal muscle-the parietal pleura-the pleural cavity-the visceral pleura and the lung by its tip, and cause an injury to lung tissue, leading to pneumatothorax.