Daheng SP15 : Nomenclature, Location, Functions, Indications

Nomenclature:

Da: Large Heng: horizontal
Daheng is on the large part of the abdomen horizontal to the navel.
Point: SP-15
Chinese Name: 大横
English Name/Meaning: Great Horizontal
Pinyin: dà héng
Han Geul 한글: dae hoeng 대횡
Romaji: dai ō
Vietnamese: Đại hoành

Location:

4 cun lateral to the centre of the umbilicus, on the mamillary line.

Functions:

• Disperse water (water retention in the intestine, mucus in stool, chronic diarrhea).
• Regulates and moves Qi in the Intestines (promotes bowel movement by stimulating peristalsis).

Indications of daheng:

• Abdominal pain and distension, diarrhea, dysentery, constipation.
• Weight loss – especially of abdominal area (Thread needle technique: inserted from Sp15 towards St25 or electric acupuncture with individual circuits on each side)

Method:

Perpendicular insertion, 0.5 to 1 cun.

Remarks:

• Crossing point of Yinwei vessel.
• Important point for regulating the Large Intestine Qi.

Precautions:

• In thin patients deep needling may penetrate the peritoneal cavity.
• Deep needling at this point may penetrate a substantially enlarged spleen or liver.