MENTAL MODEL · M0421

Opening, Closing, Pivot

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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A mechanical description of the functions of the six channels. The Taiyang is the opening (the main gate), the Yangming is the closing (the door panel/interior), and the Shaoyang is the pivot (the door hinge).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Checkpoint control. In treating Shaoyang disease (half exterior, half interior, alternating chills and fever), one cannot use strong attack (opening/closing), but should use 'harmonization' (lubricating the door hinge). Identify whether the pathogen is at the door, inside the room, or stuck in the hinge.

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Anchor fast decisions

Opening, Closing, Pivot is a model from the 'Inner Canon' describing the entry, exit, and transfer relationships of qi in the three yang and three yin channels: Taiyang governs opening, Yangming governs closing, and Shaoyang governs pivoting (similarly for the three yin). It is used to explain the exterior-interior entry and exit of qi movement and pattern differentiation.

MINIMUM ACTION

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Practice this model in one real situation:

According to the six channels, locate the abnormality of opening, closing, and pivoting of qi movement
if Taiyang fails to open, there is exterior stagnation
if Yangming fails to close, there is interior binding
if Shaoyang fails to pivot, there is alternating chills and fever. Based on this, determine methods such as sweating, purging, or harmonizing.

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Source support: Explicit

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baike.baidu.comhttps://baike.baidu.com/item/%E9%96%8B%E9%97%94%E6%A8%9E/18860271ZH · Explicit
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