Gall Bladder Meridian
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GB-28
Needle Depth
1.0–1.5 cun
Needle Angle
90° (Perpendicular)
Body Area
Abdomen — Lower, Hip / Gluteal
Location
Anterior and Inferior to the anterior superior iliac spine (ASIS), 0.5 cun anterior and inferior to Wushu GB-27.
Main Actions
- Regulates the Girdle Vessel
- Regulates the Lower Burner
Indications
Commentary
Wushu GB-27 is quite similar to Weidao GB-28 in terms of functions.
It is mainly used to regulate the Girdle Vessel. Thus it treats symptoms such as Uterus prolapse, irregular menstruation or leucorrhoea.
It also regulates the Lower Burner and transforms Stagnation.
Classical Sources
Zhenjiu Jiayi Jing (針灸甲乙經): GB-28 Weidao is indicated for leukorrhea, lower abdominal pain, and hernia.
Name Interpretation: "Wei" (維) means to maintain or link, and "Dao" (道) means path or way. The name signifies that this point maintains the continuity of Qi flow between the Dai Mai (Girdle Vessel) and the Gallbladder channel, serving as a linking pathway where the Gallbladder meridian Qi transitions back from the Dai Mai circuit.
How to Locate
First palpate along the upper border of the iliac crest in an anterior and inferior direction so as to identify ASIS (anterior superior iliac spine). ASIS is a bony ridge on the lateral aspect of the lower abdomen. Wushu GB-27 is in a depression medial and anterior to the ASIS. Then Locate Weidao GB-28 about 0.5 cun anterior and inferior to GB-27.
Caution
Use with caution during pregnancy as the point strongly influences the uterus and Dai Mai. The area has underlying peritoneum - while not considered dangerous, maintain proper needle depth and angle. Avoid deep perpendicular insertion in very thin patients.
Needle Angle
90° (Perpendicular)
Depth Category
Medium
Standard Depth
1.0–1.5 cun
Needling Directions
Vertically 1–1.5 cun. Caution: pregnancy
Expected Deqi Sensation
Local distension and soreness that may radiate to the lower abdomen or hip region. Some patients experience a sensation extending along the course of the Dai Mai around the waist.
Moxibustion
Recommended
Duration: 10–15 minutes
Cupping
Recommended
Bloodletting
N/A
Gua Sha
Recommended
Related Resources
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