下巨虛 (Xiàjùxū) — Lower Great Void
Stomach channel · point 39
Traditionally used for
- Digestion
- Bowel health
- Menstrual & women's health
- Nerves & recovery
- Pain & joints
Location
On the anterior lower leg, on the line connecting ST35 and ST41, 9 cun below ST35, over tibialis anterior (about one finger-breadth lateral to the anterior crest of the tibia); level with GB35 and GB36.
How to locate: Find the midpoint of the line from ST35 to ST41 by spreading the hands (the level of ST38), go 1 cun further down and feel for the depression one finger-breadth lateral to the anterior crest of the tibia; it is level with GB35 and GB36.
Distances are in cun, a proportional unit — how to measure.
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:
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Perpendicular insertionDepth 1–1.5 cunskindeeper
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Oblique insertionDepth 1–1.5 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. 164 Supports: techniques (names this point)
Site notes · not cited
Functions
- Moves Small Intestine qi and resolves stagnation
- Clears damp-heat
- Opens the channel and alleviates pain
Indications
Balance Method partners
Under Dr. Tan's six systems, ST39 at the lower leg balances these channels at the regions its segment images.
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1. Same Chinese nameLarge 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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2. Branching (Bie Jing / Zang Fu Bie Tong)Pericardium 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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3. Interior–exterior pairSpleen 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 Spleen channel →
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4. Chinese clock oppositePericardium 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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5. Chinese clock neighbourLarge 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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6. Same channelStomach 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 Stomach 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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