( ST-20 Supporting Fullness CHENGMAN - Acupuncture Points ) 3 cun below the sternocostal angle (or 5 cun above the umbilicus) and 2 cun lateral to the anterior midline.
How to find
The distance between the sternocostal angle and the centre of the umbilicus is divided into 8 cun, which can vary considerably from the patient’s finger cun; therefore, only proportional cun measurements should be used (helpful tool: elastic tape
➞2.3.1). First, measure 3 cun down from the sternocostal angle. Or: Measure 1 cun up from the midpoint of the distance between the umbilicus and the sternocostal angle (➞ Ren-12: spreading hands technique ➞ 2.3.3). From there, measure 2 cun in a lateral direction to locate ST-20. Depending on the shape of the thorax, ST-20 might be located on the lower border of the ribcage in some cases (narrow subcostal angle).
Located on the same level are ➞ Ren-13 (anterior midline) and ➞KID-20 (0.5 cun lateral to the anterior midline) and ➞G.B.-24 (on the mamillary line, in the 7th intercostal space).
Vertically 0.5–1 cun. If the correct location projects this point on the lower ribcage, needle transversely on the rib or locate the point more medially (or choose an alternative point). Caution: Peritoneum.
● Regulates the Middle Burner and the Stomach Qi
● Regulates the Lung Qi
Category: Acupuncture Points
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