交信 (Jiāoxìn) — Intersection Reach
Kidney channel · point 8
Traditionally used for
- Bowel health
- Urinary & fluids
- Menstrual & women's health
Location
On the medial side of the lower leg, 2 cun above KI3, 0.5 cun anterior to KI7, posterior to the medial border of the tibia.
How to locate: Measure 2 cun above the prominence of the medial malleolus, level with KI7. The point is about 0.5 cun in front of KI7, in the depression just behind the medial border of the tibia.
Distances are in cun, a proportional unit — how to measure.
3D view
3D view not available for this point: its position on the 3D model couldn't be checked against its location text, so it is not shown. The 2D maps above show it.
Needling
Cited needling
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Perpendicular 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 (1)
- Deadman P, Al-Khafaji M, Baker K. A Manual of Acupuncture. Hove: Journal of Chinese Medicine Publications; 1998 — p. 348 Supports: techniques (names this point)
Site notes · not cited
Functions
- Regulates the Chong Mai and Ren Mai, regulates menstruation and stops uterine bleeding
- Clears heat and resolves dampness from the lower burner
- Regulates the Yin Qiao Mai
Indications
Balance Method partners
Under Dr. Tan's six systems, KI8 at the lower leg balances these channels at the regions its segment images.
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1. Same Chinese nameHeart channelForearm · Mirror (arm ↔ leg)Upper arm · Reversed mirrorChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Heart channel →
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2. Branching (Bie Jing / Zang Fu Bie Tong)Triple Energiser channelForearm · Mirror (arm ↔ leg)Upper arm · Reversed mirrorChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Triple Energiser channel →
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3. Interior–exterior pairBladder channelLower leg, Calf · Same segment, opposite sideChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Bladder channel →
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4. Chinese clock oppositeLarge Intestine channelForearm · Mirror (arm ↔ leg)Upper arm · Reversed mirrorChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Large Intestine channel →
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5. Chinese clock neighbourPericardium channelForearm · Mirror (arm ↔ leg)Upper arm · Reversed mirrorChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Pericardium channel →
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6. Same channelKidney channelLower leg, Calf · Same segment, opposite sideChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Kidney channel →
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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