LV9

Yinbao

Star

陰包 (Yīnbāo) — Yin Bladder

Liver channel · point 9

Not yet clinically reviewed

Traditionally used for

  • Urinary & fluids
  • Menstrual & women's health

Location

On the medial aspect of the thigh, 4 cun above the base of the patella, between gracilis and sartorius, just posterior to sartorius.

Focks' Atlas of Acupuncture places it 4 cun above the medial condyle of the femur, between sartorius and vastus medialis, i.e. anterior rather than posterior to sartorius.

How to locate: With the hip slightly flexed and abducted and the thigh tensed, sartorius stands out on the medial thigh; measure 4 cun above the base of the patella and find the point in the groove just posterior to sartorius, between it and gracilis. Tenderness helps confirm it.

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

Body map, front: LV9 · Thigh
Fig. — LV9 · Thigh After Albinus, 1747
Body map, front: LV9 · Thigh

LV9 · Thigh · Albinus, Tabulae sceleti et musculorum, 1747

The femur — Gray's Anatomy plate
The femur Gray's Anatomy, 1918 Marker hidden while its position on this plate is re-checked.
The femur — Gray's Anatomy plate

The femur · 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 superior border of the pubic symphysis to the base of the patella: 18 B-cun (WHO 2008, General Guidelines, Proportional Bone (Skeletal) Measurements, p. 13).
Needle angle and depth
  1. Perpendicular (90° to the skin), 1–2 cun. Deadman P, Al-Khafaji M, Baker K, p. 486
  2. Oblique (45° to the skin), 1–2 cun. Deadman P, Al-Khafaji M, Baker K, p. 486

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

Techniques — the source gives these as alternatives:

  1. Perpendicular insertion
    Depth 1–2 cun
    skindeeper
  2. Oblique insertion
    Depth 1–2 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. 486 Supports: techniques (names this point)

Site notes · not cited

Depth: 0.8–1.5 cun
Angle: Perpendicular

Functions

  • Regulates menstruation and the lower burner
  • Promotes urination
  • Activates the channel

Indications

Irregular menstruationdifficult urination and enuresislumbosacral pain radiating to the abdomen

Balance Method partners

Under Dr. Tan's six systems, LV9 at the thigh balances these channels at the regions its segment images.

Similar Points

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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