Verscienta
CV2

Qugu

Star

曲骨 (Qūgǔ) — Curved Bone

Ren (Conception) channel · point 2

Not yet clinically reviewed

Meeting point of the Ren Mai and the Liver channel

Traditionally used for

  • Digestion
  • Urinary & fluids
  • Menstrual & women's health
  • Fertility & vitality

Cautions & contraindications

  • Pregnancy

Location

On the lower abdomen, on the anterior midline, at the midpoint of the upper border of the pubic symphysis, 5 cun below the umbilicus.

How to locate: Palpate down the lower abdominal midline to the upper border of the pubic symphysis; the point is on the midline just above it, level with KI11, ST30 and SP12.

Distances are in cun, a proportional unit — how to measure.

Body map, front: CV2 · Lower abdomen
Fig. — CV2 · Lower abdomen After Albinus, 1747
Body map, front: CV2 · Lower abdomen

CV2 · Lower abdomen · Albinus, Tabulae sceleti et musculorum, 1747

The abdominal regions — Gray's Anatomy plate
The abdominal regions Gray's Anatomy, 1918
The abdominal regions — Gray's Anatomy plate

The abdominal regions · Gray's Anatomy, 1918

3D view

Approximate placement, carried over from our 2D body map onto a single adult male model (BodyParts3D) and checked against the point's location text. Shown on one side of the body. Locate the point on your patient by the location text and palpation, not by this model.

Cun on this part of the body
From the centre of the umbilicus to the superior border of the pubic symphysis: 5 B-cun (WHO 2008, General Guidelines, Proportional Bone (Skeletal) Measurements, p. 12).
Needle angle and depth
  1. Perpendicular (90° to the skin), 0.5–1 cun. Deadman P, Al-Khafaji M, Baker K, p. 498

3D anatomy: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International (licence). Subset, simplified and recoloured by Verscienta — changes and licence details.

Needling

Cited needling

  1. Perpendicular insertion
    Depth 0.5–1 cun
    skindeeper

Depths describe average adult habitus in the cited population, never a single safe number for the patient in front of you. Palpate and adjust.

Sources (1)
  1. Deadman P, Al-Khafaji M, Baker K. A Manual of Acupuncture. Hove: Journal of Chinese Medicine Publications; 1998 — p. 498 Supports: techniques (names this point)

Site notes · not cited

  • Pregnancy
Depth: 0.5–1.0 cun
Angle: Perpendicular
⚠ Cautions: Ask the patient to empty the bladder first — a full bladder rises above the pubic bone and can be punctured. Use caution in pregnancy.

Functions

  • Regulates the bladder and promotes urination
  • Warms yang and strengthens the Kidneys
  • Warms and regulates the lower burner
  • Benefits the genitals

Indications

Retention of urine and difficult urinationenuresisimpotence and seminal emissionirregular menstruation and vaginal dischargelower abdominal pain

Sources

  • World Health Organization. WHO Standard Acupuncture Point Locations in the Western Pacific Region. Manila: WHO Regional Office for the Western Pacific, 2008. (Location.)
  • Focks C, ed. Atlas of Acupuncture. Edinburgh: Churchill Livingstone Elsevier, 2008. (Locating method and actions.)

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