Quchai BL4: Nomenclature, Location, Functions, Indications

Nomenclature:

Qu: crooked Cha: unevenness
The meridian runs crooked laterally from Meichong (BL3) and then runs posteriorily from Qucha. It is marked by unevenness.
Point: BL4
Chinese Name: 曲差
Name: Quchai
English Name/Meaning: Crooked Curve
Pinyin: qǔ chā
Han Geul 한글: gok cha 곡차
Romaji: kyo kusa?
Vietnamese:Khúc sai

Location of Quchai:

0.5 cun direclty above the midpoint of the anterior hairline and 1.5 cun lateral to the midline, at the junction of the medial third and lateral two-thirds of the distance from Shenting (GV24) to Touwei (ST8).

Functions:

Clears heat and opens orifices.

Indications:

Headache, nasal obstruction, epistaxis, blurring and failing of vision.

Method:

Transverse insertion 0.5 to 1 cun.