With the patient in prone position, it is between the spinous process of the 2nd and 3rd lumbar vertebrae, at the midline.
Lumbago, spermatorrhea, impotence. Siffness of the back, lumbago, impotence, nocturnal emission, indigestion, irregular menstruation, diarrhea, leukorrhea.
Tonifies Kidney Yang, nourishes Original Qi warms gate of vitality, expels cold, strengthens the lower back, benefits Essence.
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Perpendicularly 1.0-1.5 inches with needle tilted slightly upward