No standard contraindications. Moxibustion permitted.
📍 Location (classical)
On the nape, 1.3 cun lateral to the posterior midline, directly at the level of GV-17 (which is located in the depression superior to the external occipital protuberance).
🧭 How to find it (practical)
Seated with the head erect or with the neck flexed, first locate Nao Hu (GV-17). Locate Yu Zhen (BL-9) 1.3 cun lateral to it.
🔬 Anatomy
Occipital muscle. Innervated by the greater occipital nerve. Occipital artery.
💉 Needling
Transverse (subcutaneous) insertion of 0.5–0.8 cun.
📜 Etymology
Yu (玉), jade; Zhen (枕), pillow. The ancient name of the occipital bone was Yu Zhen Gu (jade pillow bone). The point lies over the occipital bone.
