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ST-23 Taiyi (太乙) — Supreme Unity
Depth
00.8–1 cun3.0
Perpendicular insertion
Precautions
Deep insertion can perforate the peritoneal cavity.
Location (classical)
On the upper abdomen, 2 cun lateral to the anterior midline, 2 cun above the umbilicus (level of CV-10).
How to find it (practical)
Supine, locate the point 2 cun above the umbilicus and 2 cun lateral to the anterior midline.
Anatomy
Rectus abdominis muscle. Innervated by the 8th and 9th intercostal nerves.
Needling
Perpendicular insertion 0.8–1.0 cun.
Etymology
Tai (太), great; Yi (乙), part of an ancient Chinese system of ordinal numbers.
CLASSICAL SOURCEJia Yi Jing
Clinical Relations
Adjacent Points on the Meridian