How to find
After locating the spinous process of C7, count down 3 spinous processes to the lower border of the spinous process of T3. Located on this level and 3 cun lateral to the midline is BL-42. Or: With the patient seated and their shoulders in a relaxed position, the spinous process of T3 is generally on the level of the medial end of the scapular spine, an easily palpable structure. Locate BL-42 on the level of the lower border of the spinous process of T3, 3 cun lateral to the midline. With the patient’s shoulders relaxed, 3 cun corresponds on this level to the distance from the midline to the medial border of the scapula. Located on the same level are GV 12 (Body Pillar) (on the midline), a point of Ex-B-2 (0.5 cun lateral to the midline) and BL 13 (Lung Shu) (1.5 cun lateral to the midline).
Location
3 cun lateral to the posterior midline, on the level of the lower border of the spinous process of the 3rd thoracic vertebra (T3).
Actions
- Tonifies and nourishes the Lung
- Alleviates wheezing and coughing, calms the corporeal soul (po)
- Opens the channel and alleviates pain
- Clears Heat from the Lung
Features