Small Intestine MeridianSI5

Yanggu 陽谷

For reference only · not a substitute for diagnosis or treatment

Short answer

Back-inner (ulnar) side of the wrist, in the hollow between the triquetrum and the ulnar styloid process.

Jing-river point (Fire)

See it in 3DRotate the body and peel back the skin to see the bones and muscles beneath.
Open the 3D Acupoint Map →

🖼See it in pictures

Yanggu — ① Where on the body? — **① Where on the body?**

Yanggu — Textbook view — skin on the left, muscle and bone underneath on the right — **Textbook view — skin on the left, muscle and bone underneath on the right**
Location and structures come from our 3D model; only the drawing style was refined with AI. Labels are added by us.

Yanggu — ③ Under the skin — **③ Under the skin**
Ulna · Triquetrum bone

Rendered straight from the 3D model at the computed location. The glowing ring marks Yanggu.

On this page

Where is Yanggu?
How do I find it on my body?
Before you press
How has it been used traditionally?
Classical text
FAQ

1Where is Yanggu?

Back-inner (ulnar) side of the wrist, in the hollow between the triquetrum and the ulnar styloid process.

It is level with LI5 and TE4.

Beneath the point

Ulna · Triquetrum bone

Our 3D measurement · In our 3D model: at the level between the tip of the ulnar styloid and the triquetrum (2.1 mm above the wrist crease), on the skin over the styloid side.

2How do I find it on my body?

From SI4, move toward the forearm over one small bone (the triquetrum).
Feel the pointed tip at the end of the ulna (ulnar styloid process).
Press the hollow between the two.

📖 Words explained

ulnar styloid process: The small bony tip on the little-finger side of the wrist, behind and below the head of the ulna.

3Before you press

⚠ Do not press when

Avoid broken or swollen skin and press only to a comfortable level.
Acupressure is not a substitute for medical care.

4How has it been used traditionally?

Classified as the Jing-river (Fire) point of the Small Intestine meridian — a historical classification, not a claim of effect.
The name means 'yang valley' — a hollow on the outer (yang) side of the wrist.

From traditional texts — not a claim of effect.

5Classical text

Donguibogam (Heo Jun, 1613), Acupuncture and Moxibustion, "Yanggu"

在手外側腕中銳骨下陷中手太陽脈之所行爲經 …《銅人》

① On the outer side of the hand, in the middle of the wrist, in the hollow below the 'sharp bone'. Where the Hand Taiyang channel moves along, which makes it the Jing-river point (Tongren Shuxue Zhenjiu Tujing).

Source tags as given in the Donguibogam: Tongren = Tongren Shuxue Zhenjiu Tujing (1026).
Ruigu ("sharp bone") is an old name for the pointed bone on the little-finger side of the wrist; its exact modern match is still to be verified.
"…" marks the needling depth and moxa count, left out because they are for licensed practitioners.

Original text as written · translation is ours.

?FAQ

Where exactly is Yanggu?

Back-inner (ulnar) side of the wrist, in the hollow between the triquetrum and the ulnar styloid process. It is level with LI5 and TE4.

How do I find Yanggu?

From SI4, move toward the forearm over one small bone (the triquetrum). Feel the pointed tip at the end of the ulna (ulnar styloid process). Press the hollow between the two.

What should I watch out for?

Avoid broken or swollen skin and press only to a comfortable level. Acupressure is not a substitute for medical care.

← PreviousWangu · SI4 Next →Yanglao · SI6

Sources

Location: WHO Standard Acupuncture Point Locations in the Western Pacific Region (2008), p. 90
Standard comparison: Chinese national standard GB/T 12346-2021 (Nomenclature and location of meridian points), p. 15
Korean anatomical terms: KMLE medical dictionary (Korean Medical Association terms)
Classification source: Lingshu ch. 2 (Ben Shu) for the five transport points; Nanjing ch. 64 for the phases
Traditional use: Hyeoljari Seodang (Bookdramang, 2015; Korean), ch. 6 "Yanggu" and appendix (Yixue Rumen indications)
Classical text: Donguibogam, Acupuncture and Moxibustion, "Yanggu" — Wikisource public edition
Indications: Yixue Rumen vol. 1 (Wikisource)
Classification and traditional-use cross-check: AcuAtlas dataset (CC BY 4.0)

Positions computed from the WHO standard locations (2008) on Z-Anatomy (CC BY-SA 4.0) · BodyParts3D © DBCLS. For reference only — not a substitute for diagnosis or treatment. See a clinician if you are unwell.