BL48

Yanggang

Star

陽綱 (Yánggāng) — Yang Headrope

Bladder channel · point 48

Not yet clinically reviewed

Outer Bladder line

Traditionally used for

  • Digestion
  • Bowel health
  • Urinary & fluids
  • Liver & jaundice

Location

On the back, 3 cun lateral to the lower border of the spinous process of T10.

How to locate: With the patient seated and the arms hanging relaxed, the inferior angle of the scapula is level with the T7 spinous process; count down three spinous processes to T10. The point is 3 cun lateral to the lower border of T10, level with BL19 and GV7.

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

Body map, back: BL48 · Upper back
Fig. — BL48 · Upper back After Albinus, 1747
Body map, back: BL48 · Upper back

BL48 · Upper back · Albinus, Tabulae sceleti et musculorum, 1747

The vertebral column — Gray's Anatomy plate
The vertebral column Gray's Anatomy, 1918
The vertebral column — Gray's Anatomy plate

The vertebral column · Gray's Anatomy, 1918

3D view

3D view not available for this point: its position can't be carried onto the 3D model reliably (it failed a placement check). The 2D maps above show it.

Needling

Cited needling

  1. Oblique insertion
    Depth 0.3–0.5 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. 308 Supports: techniques (names this point)

Site notes · not cited

Depth: 0.5–1.0 cun
Angle: Oblique, directed medially

Functions

  • Regulates the Gallbladder
  • Clears damp-heat from the Liver and Gallbladder
  • Harmonises the middle burner and regulates the intestines

Indications

Jaundiceabdominal pain and borborygmusdiarrhoeadiabetes with thirst

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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