BL9 (Yuzhen, “Yuzhen”) is an acupuncture point on the Bladder Meridian. It is located on the posterior head, 1.3 cun lateral to the midline, level with the superior border of the external occipital protuberance. This is approximately 2.5 cun superior to the posterior hairline and 1.3 cun lateral to the Du Mai point Naohu (DU17). It dispels wind and cold, clears the head and eyes, alleviates pain.
On the posterior head, 1.3 cun lateral to the midline, level with the superior border of the external occipital protuberance. This is approximately 2.5 cun superior to the posterior hairline and 1.3 cun lateral to the Du Mai point Naohu (DU17).
Transverse (subcutaneous) insertion, directed inferiorly or medially, 0.3-0.5 cun. Avoid deep perpendicular insertion.
Dispels wind and cold, clears the head and eyes, alleviates pain..
Headache, head and neck pain, dizziness, eye pain, half-head cold sensation, bone pain with cold and heat, nasal congestion, inability to smell, profuse sweating, sudden collapse and stiffness, aversion to wind and cold, mad walking, convulsions, blurred vision, internal eye obstruction, inability to see..
Yuzhen is a key local point for occipital headaches, neck stiffness, and pain that may radiate to the eyes or vertex. Its classical indications for wind-cold affecting the head make it useful for common colds with headache and nasal congestion. Due to its location over the occiput, it is also used for visual disturbances and dizziness originating from the posterior head and neck.
BL9 is one of 67 points on the Bladder Meridian. Nearby points:
BL9 (Yuzhen) is located on the posterior head, 1.3 cun lateral to the midline, level with the superior border of the external occipital protuberance. This is approximately 2.5 cun superior to the posterior hairline and 1.3 cun lateral to the Du Mai point Naohu (DU17).
BL9 dispels wind and cold, clears the head and eyes, alleviates pain. Common clinical indications include headache, head and neck pain, dizziness, eye pain, half-head cold sensation, bone pain with cold and heat, nasal congestion, inability to smell, profuse sweating, sudden collapse and stiffness, aversion to wind and cold, mad walking, convulsions, blurred vision, internal eye obstruction, inability to see.
Transverse (subcutaneous) insertion, directed inferiorly or medially, 0.3-0.5 cun. Avoid deep perpendicular insertion. Caution: The Zhen Jiu Ju Ying lists Yuzhen (玉枕) in its 'Forbidden to Needle' song (禁針穴歌), which is a notable caution, although most other major classics permit needling.
BL9 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).