支正 (Zhīzhèng) — Branch to the Correct
Small Intestine channel · point 7
Traditionally used for
- Headaches
- Dizziness
- Colds & fever
- Mood & calm
- Pain & joints
Location
On the posteromedial aspect of the forearm, between the medial border of the ulna and flexor carpi ulnaris, 5 cun proximal to the dorsal wrist crease; 1 cun distal to the midpoint of the line connecting SI5 and SI8.
How to locate: Find the midpoint of the line from SI5 at the wrist to SI8 at the elbow (for example by spanning both hands between them), then go 1 cun toward the wrist; the point is between the palpable medial border of the ulna and flexor carpi ulnaris.
Distances are in cun, a proportional unit — how to measure.
3D view
The 3D view is not available on this device. The 2D maps above show the same point.
Drag, or focus the model and use the arrow keys, to rotate; + and − to zoom; 0 to reset; Esc to close.
Needle diagram for the marked point — a schematic section through the skin, not the model.
3D anatomy: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International (licence). Subset, simplified and recoloured by Verscienta — changes and licence details.
Approximate placement, carried over from our 2D body map onto a single adult male model (BodyParts3D) and checked against the point's location text. Shown on one side of the body. Locate the point on your patient by the location text and palpation, not by this model.
- Cun on this part of the body
- From the cubital crease to the wrist crease: 12 B-cun (WHO 2008, General Guidelines, Proportional Bone (Skeletal) Measurements, p. 12). On the model, the cubital crease = line between the humeral epicondyles. On the model, the wrist crease = line between the radial and ulnar styloid tips.
- Needle angle and depth
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- Perpendicular (90° to the skin), 0.5–1 cun. Deadman P, Al-Khafaji M, Baker K, p. 238
3D anatomy: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International (licence). Subset, simplified and recoloured by Verscienta — changes and licence details.
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. 238 Supports: techniques (names this point)
Site notes · not cited
Functions
- Releases the exterior and clears heat
- Calms the spirit
- Activates the channel and benefits the elbow
Indications
Balance Method partners
Under Dr. Tan's six systems, SI7 at the forearm balances these channels at the regions its segment images.
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1. Same Chinese nameBladder channelLower leg, Calf · Mirror (arm ↔ leg)Thigh · Reversed mirrorChest, 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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2. Branching (Bie Jing / Zang Fu Bie Tong)Spleen channelLower leg, Calf · Mirror (arm ↔ leg)Thigh · Reversed mirrorChest, 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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3. Interior–exterior pairHeart channelForearm · Same segment, opposite sideChest, 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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4. Chinese clock oppositeLiver channelLower leg, Calf · Mirror (arm ↔ leg)Thigh · Reversed mirrorChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Liver channel →
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5. Chinese clock neighbourBladder channelLower leg, Calf · Mirror (arm ↔ leg)Thigh · Reversed mirrorChest, 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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6. Same channelSmall Intestine channelForearm · Same segment, opposite sideChest, Upper back · Image, head at the hand/footUpper abdomen, Lower back · Image, head toward the elbow/kneeSolve for the Small Intestine 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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