Chinese: 丝竹空
Pinyin: Sī Zhú Kōng
In the depression at the lateral end of the eyebrow.
The frontozygomatic suture is located between the zygoma and the frontal bone. It is a generally more reliable reference to locate Sizhukong TB-23 than eyebrow as the latter may vary according to different people.
In order to locate it, palpate from the outer canthus of the eye superiorly along the orbital margin, from its zygomatic to the frontal section, until feel a bony depression in the area of the suture.
Locate Sizhukong TB-23 in this mainly pressure-sensitive depression.
0.5–1 cun obliquely or transversely in a posterior direction towards taiyang Ex-HN-5.
In China, this point is also needled along the eyebrow to Yuyao Ex-HN-4 in the centre of the eyebrow.
Sizhukong TB-23 is mainly used as a local point for eye disorder and headache around the eyebrow outer corner, particularly these issues are caused by Liver Wind agitating Internally due to Liver Yang Rising. Typical manifestations are headache, dizziness, blurred vision, red eyes or twitching of eyelids.
It can also be indicated for ear disorders, when combine with Tinggong SI-19.