中渚 (Zhōngzhǔ) — Central Islet
Triple Energiser channel · point 3
Traditionally used for
- Headaches
- Eye health
- Ears & hearing
- Nose & throat
- Pain & joints
Location
On the dorsum of the hand, in the depression proximal to the fourth metacarpophalangeal joint, between the fourth and fifth metacarpal bones.
How to locate: With the hand relaxed or in a loose fist, palm down, slide proximally from the knuckles along the groove between the fourth and fifth metacarpal bones; the point is in the depression just proximal to the fourth metacarpophalangeal joint.
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 0.5–1 cunskindeeper
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Oblique insertion — directed proximallyDepth 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. 393 Supports: techniques (names this point)
Site notes · not cited
Functions
- Benefits the ears
- Clears heat and drains fire from the head
- Clears the head and benefits the eyes
- Activates the channel and luo-connecting vessels and relieves pain of the hand, shoulder and neck
Indications
Balance Method partners
Under Dr. Tan's six systems, TE3 at the hand balances these channels at the regions its segment images.
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1. Same Chinese nameGallbladder channelFoot · Mirror (arm ↔ leg)Head & face, Crown & occiput, Ear · Image, head at the hand/footSolve for the Gallbladder channel →
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2. Branching (Bie Jing / Zang Fu Bie Tong)Kidney channelFoot · Mirror (arm ↔ leg)Head & face, Crown & occiput, Ear · Image, head at the hand/footSolve for the Kidney channel →
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3. Interior–exterior pairPericardium channelHand · Same segment, opposite sideHead & face, Crown & occiput, Ear · Image, head at the hand/footSolve for the Pericardium channel →
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4. Chinese clock oppositeSpleen channelFoot · Mirror (arm ↔ leg)Head & face, Crown & occiput, Ear · Image, head at the hand/footSolve for the Spleen channel →
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5. Chinese clock neighbourGallbladder channelFoot · Mirror (arm ↔ leg)Head & face, Crown & occiput, Ear · Image, head at the hand/footSolve for the Gallbladder channel →
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6. Same channelTriple Energiser channelHand · Same segment, opposite sideHead & face, Crown & occiput, Ear · Image, head at the hand/footSolve for the Triple Energiser channel →
Classical calendar method · 子午流注
When the tables open TE3
The hours Zi Wu Liu Zhu names this point at, by method. Times are the double-hour's start in UTC.
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丙午 11:00–13:00 Na Jia Fa, 丙-day sequence · Na (納) point
「丙午時受三焦木,中渚之中子細詳」
Next: Tue 20 Oct, 11:00
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子 23:00–01:00 Na Zi Fa, TE channel · reinforce (補)
「補用子時,中渚,為俞木」
Next: Wed 14 Oct, 23:00
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
Combinations Using This Point
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.)
📝 Notes
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