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LI1

Shangyang

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商陽 (Shāngyáng) — Shang Yang

Large Intestine channel · point 1

Not yet clinically reviewed

Jing-Well pointMetal pointMetal point of the Large Intestine channel

Traditionally used for

  • Ears & hearing
  • Nose & throat
  • Teeth & mouth
  • Colds & fever
  • Nerves & recovery

Location

On the index finger, on the radial side of the distal phalanx, 0.1 finger-cun proximal and lateral to the radial corner of the nail — where a line along the radial border of the nail meets a line across its base.

How to locate: Draw one line along the radial border of the index fingernail and another across the base of the nail; the point is where they cross, about 0.1 cun from the nail corner.

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

Body map, front: LI1 · Hand
Fig. — LI1 · Hand After Albinus, 1747
Body map, front: LI1 · Hand

LI1 · Hand · Albinus, Tabulae sceleti et musculorum, 1747

Bones of the hand, dorsal — Gray's Anatomy plate
Bones of the hand, dorsal Gray's Anatomy, 1918
Bones of the hand, dorsal — Gray's Anatomy plate

Bones of the hand, dorsal · 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

Techniques — the source gives these as alternatives:

  1. Perpendicular insertion
    Depth 0.1–0.2 cun
    skindeeper
  2. Oblique insertion — directed proximally
    Depth 0.1–0.2 cun
    skindeeper
  3. Prick to bleed

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. 100 Supports: techniques (names this point)

Site notes · not cited

Depth: 0.1 cun
Angle: Shallow perpendicular, or prick to bleed
Bleeding technique: Prick to bleed for acute sore throat and high fever — commonly paired with LU11.

Functions

  • Clears heat and reduces swelling of the throat
  • Expels pathogenic factors and opens the channel
  • Restores consciousness and opens the senses
  • Benefits the ears and teeth

Indications

Sore throat and tonsillitistoothachedeafness and tinnitusfever without sweatingloss of consciousnessnumbness of the fingers

Balance Method partners

Under Dr. Tan's six systems, LI1 at the hand balances these channels at the regions its segment images.

Classical calendar method · 子午流注

When the tables open LI1

The hours Zi Wu Liu Zhu names this point at, by method. Times are the double-hour's start in UTC.

  • 庚辰 07:00–09:00 Na Jia Fa, 庚-day sequence · Jing-Well (井)

    「庚日辰時商陽居」

    Next: Fri 23 Oct, 07:00

A classical reference, not a recommendation: the tables say when the method opens this point, not that it is the point to needle. Open points by the hour →

Clinical Notes

The Metal point on a Metal channel; a first-aid and acute-heat point rather than a tonification point.

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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