On the upper abdomen, 2 cun above the umbilicus, 0.5 cun lateral to the anterior midline (at the level of CV-10).
🧭 How to find it (practical)
In dorsal decubitus, locate the point 2 cun above the umbilicus, 0.5 cun lateral to the anterior midline, at the level of Xia Wan (CV-10).
🔬 Anatomy
Rectus abdominis muscle. 9th intercostal nerve.
💉 Needling
Perpendicular insertion, 0.5–1.0 cun.
📜 Etymology
Shang (商), one of the five notes of the ancient five-tone musical scale; Qu (曲), bend. Shang is a musical note belonging to Metal, as is the Da Chang (Large Intestine). This point lies near the bends of the Chang (intestines).
