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Gallbladder MeridianGB28

Weidao 維道

For reference only · not a substitute for diagnosis or treatment
Short answer

Lower abdomen, 0.5 B-cun inward and downward from the anterior superior iliac spine.

Crossing point of the Gallbladder meridian and the Dai vesselAlso called Waishu (外樞)
See it in 3DRotate the body and peel back the skin to see the bones and muscles beneath.
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🖼See it in pictures

Weidao — ① Where on the body?
① Where on the body?
Weidao — 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.
Weidao — ② Up close
② Up close
Weidao — ③ Under the skin
③ Under the skin
Hip bone · Internal abdominal oblique muscle · External abdominal oblique muscle · Transversus abdominis muscle

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

On this page
  1. Where is Weidao?
  2. How do I find it on my body?
  3. Before you press
  4. How has it been used traditionally?
  5. FAQ

1Where is Weidao?

Lower abdomen, 0.5 B-cun inward and downward from the anterior superior iliac spine.

It is also 0.5 B-cun inward and downward from Wushu (GB27).

Beneath the point

Hip bone · Internal abdominal oblique muscle · External abdominal oblique muscle · Transversus abdominis muscle

Our 3D measurement · In our 3D model: skin 7.4 mm medial and 11.8 mm below Wushu (GB27, just medial to the anterior superior iliac spine) — 0.5 cun inferomedial, 11.8 mm lower than GB27.

2How do I find it on my body?

  1. Find Wushu.
  2. Move 0.5 B-cun diagonally inward and down.
  3. Press the hollow below and inside the bony point of the pelvis.
What is a “cun”?
What is a “cun”?

A cun is a body-scaled unit of length. The precise way is to divide a bone length into equal parts (proportional bone cun); finger widths are a quick estimate.

📖 Words explained
external abdominal oblique
The widest, outermost muscle on the side of the belly. Its fibers slant like hands slipped into front pockets (from upper outside to lower inside), and it twists and bends the trunk.
transversus abdominis
The deepest of the three side-belly muscle layers. Its fibers run sideways like a belt and squeeze the belly in.
internal abdominal oblique
The second layer of side-belly muscle, just under the external oblique. Its fibers run roughly crosswise to the external oblique, and it helps twist the trunk.
hip bone
The large, wide bone on each side of the pelvis, formed when the ilium, ischium and pubis grow together. The ridge you feel at belt level (iliac crest) is its top edge.
lower abdomen
The belly below the navel, down to the pubic bone.

3Before you press

⚠ Do not press when
  • This lies over the abdominal organs — do not press hard or deep.
  • Do not press abdominal points during pregnancy (a traditional caution).
  • 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?

From traditional texts — not a claim of effect.

?FAQ

Where exactly is Weidao?

Lower abdomen, 0.5 B-cun inward and downward from the anterior superior iliac spine. It is also 0.5 B-cun inward and downward from Wushu (GB27).

How do I find Weidao?

Find Wushu. Move 0.5 B-cun diagonally inward and down. Press the hollow below and inside the bony point of the pelvis.

Can I press it during pregnancy?

Do not press abdominal points during pregnancy (a traditional caution).

What should I watch out for?

This lies over the abdominal organs — do not press hard or deep. Do not press abdominal points during pregnancy (a traditional caution). Avoid broken or swollen skin and press only to a comfortable level. Acupressure is not a substitute for medical care.

← PreviousWushu · GB27Next →Juliao · GB29
Sources

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.