How to find
After locating the spinous process of C7, count down 6 spinous processes to the lower border of the spinous process of T6. Located on this level and 3 cun lateral to the midline is BL-45. Or: With the patient seated and their shoulders in a relaxed position, the spinous process of T7 is generally on the level of the inferior angle of the scapula. Locate BL-45 on the level of the spinous process of T6, 3 cun lateral to the midline. Located on the same level are GV 10 (Spirit Tower) (on the midline), a point of Ex-B-2 (0.5 cun lateral to the midline) and BL 16 (Governing Shu) (1.5 cun lateral to the midline).
3 cun lateral to the posterior midline, on the level of the lower border of the spinous process of the 6th thoracic vertebra (T6).
- Expels pathogenic factors, especially Wind and Heat
- Descends the Lung Qi and unbinds the chest
- Strengthens the Qi and Blood and alleviates pain