Traditionally used for
- Urinary & fluids
Cautions & contraindications
- Avoid blood vessels
Location
On the medial side of the thigh, at the junction of the upper third and lower two-thirds of the line from the medial end of the base of the patella to SP12, between sartorius and adductor longus, over the femoral artery.
Focks' Atlas of Acupuncture places it 6 cun above SP10 (8 cun above the patella), on the lateral border of sartorius, rather than one third of the way down from SP12 between sartorius and adductor longus.
How to locate: Find SP12 at the inguinal crease, lateral to the femoral pulse; the point is one third of the way down the line from SP12 to the medial end of the patellar base, in the groove between sartorius and adductor longus where the femoral pulse can be felt.
Distances are in cun, a proportional unit — how to measure.
Needling hazard — see Needling safety
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.
- The 3D view is not available for this point, so the femoral artery is not drawn. The major vessel risk above still applies.
Needling
Cited needling
- ⚠ Major vessel
Techniques — the source gives these as alternatives:
-
Perpendicular insertionDepth 0.5–1 cunskindeeper
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Oblique insertionDepth 0.5–1 cunskindeeper
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 (2)
- World Health Organization. Guidelines on basic training and safety in acupuncture. Geneva: WHO; 1999. WHO/EDM/TRM/99.1 — Section II §5.2 (Other points), p. 26 Supports: major vessel (names this point)
- Deadman P, Al-Khafaji M, Baker K. A Manual of Acupuncture. Hove: Journal of Chinese Medicine Publications; 1998 — p. 198 Supports: techniques (names this point)
Site notes · not cited
- Avoid blood vessels
Functions
- Resolves dampness and promotes urination
- Clears damp-heat from the lower burner
Indications
Balance Method partners
Under Dr. Tan's six systems, SP11 at the thigh balances these channels at the regions its segment images.
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1. Same Chinese nameLung channelUpper arm · Mirror (arm ↔ leg)Forearm · Reversed mirrorLower abdomen, Sacrum · Image, head at the hand/footSolve for the Lung channel →
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2. Branching (Bie Jing / Zang Fu Bie Tong)Small Intestine channelUpper arm · Mirror (arm ↔ leg)Forearm · Reversed mirrorLower abdomen, Sacrum · Image, head at the hand/footSolve for the Small Intestine channel →
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3. Interior–exterior pairStomach channelThigh · Same segment, opposite sideLower abdomen, Sacrum · Image, head at the hand/footSolve for the Stomach channel →
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4. Chinese clock oppositeTriple Energiser channelUpper arm · Mirror (arm ↔ leg)Forearm · Reversed mirrorLower abdomen, Sacrum · Image, head at the hand/footSolve for the Triple Energiser channel →
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5. Chinese clock neighbourHeart channelUpper arm · Mirror (arm ↔ leg)Forearm · Reversed mirrorLower abdomen, Sacrum · Image, head at the hand/footSolve for the Heart channel →
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6. Same channelSpleen channelThigh · Same segment, opposite sideLower abdomen, Sacrum · Image, head at the hand/footSolve for the Spleen channel →
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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