Acupuncture Point Zhejin (GB23)
Location:
Sit upright or lie on one`s side; open one`s axillary fossa, 1 cun anterior to YuanyeGB22(Yuanye (GB22)), about at the level of the nipple ( man ), in the depression betweenYuanyeGB22(GB22) and TianxiSP18(Tianxi (SP18)).

Function:
Relieving asthma, promoting blood circulation and regulating the flow of qi.

Regional Anatomy:
Skin-subcutaneous tissue-anterior serratus muscle-external intercostal mudcke.
In the superficial layer, there are the lateral cutaneous branches of the 3rd to 5th intercostal nerves and the branches or tributaries of the lateral thoracic artery and vein. In the deep layer, there are the 4th intercostal nerve and the 4th posterior intercostal artery and vein.

Indications:
Fullness of the chest, pain in the hypochondriac region, and Asthma.

Prescription:
Combined use with NeiguanPC6 (Neiguan (PC6) Luo-Connecting Point the Eight Confluent Point) for treatment of gastric ulcer; and with DingchuanEXB1 (EX-B1) for treatment of bronchial asthma.

Methods:
Insert the needle subcutaneously to 0.5-0.8 cun depth; needling response: local numbness and distention; moxibustion: using 3-5 moxa-cones, or mild moxibustion for 15 min.
Note:
Don`t puncture deeply, or else the needle would penetrate the external intercostal muscles-the internal intercostal muscles-the costal pleura-the pleural cavity-the visceral pleura and the lung by its tip, and cause an injury to lung, leading to pneumatothorax.