Acupuncture Point Yanggang (BL48)
Location:
Lie pronely; at the level of the lower border of spinous process of the 10th thoracic vertebra, 3 cun apart from ZhongshuGV7(Zhongshu (GV7)) laterally.

Function:
Normalizing the functions of the stomach and intestines, and eliminating dampness and heat.

Regional Anatomy:
Skin-subcutaneous tissue-latissimus muscle of back-inferior posterior serratus muscle-erector spinal muscle.
In the superficial layer, there are the cutaneous branches of the posterior branches of the 10th and 11th thoracic nerves and the accompanying ateries and veins, In the deep layer, there are the muscular branches of the posterior branches of the 10th and 11th thoracic nerves and the branches or tributaries of the dorsal branches of the related posterior intercostal arteries and veins.

Indications:
Gastritis, indigestion, gastrospasm, hepatitis, cholecysitis, pleuritis, endocarditis, muscular rheumatosis, and abdominal pain due to ascariasis.

Prescription:
Combined use with RiyueGB24 (Riyue (GB 24) Front-Mu Point of the Gallbladder), YanglingquanGB34 (Yanglingquan (GB34) He-Sea Point, Influential Point of Tendon) for the treatment of biliary ascariasis, and with ZhongwanCV12 (Acupuncture Single Point Zhongwan (CV12) Front-Mu Point of the Stomach) for treatment of gastritis; with DanshuBL19 (Danshu (BL19)) for treatment of icterus.

Methods:
Insert the needle horizontally, 0.5-0.8 cun deep; needling response: local numbness and distension; moxibustion: using 3-7 moxa-cones, or mild moxibustion for 15 min.
Note:
Don`t puncture deeply, or else the needle would penetrate the levator muscles of ribs-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 and leading to pneumatothorax.