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Chinese Name: Mingmen (命门)
Meridian: Governing Vessel (Du)
Location: Below the L2 spinous process, directly opposite BL23
Moxa Duration: 10-20 min | Distance: 2-3 cm
Evidence Level: Moderate
GV4 is located on the midline of the lower back, in the depression below the L2 spinous process, at approximately waist level directly opposite BL23.
A 2019 clinical trial found GV4 moxibustion improved lumbar spine function scores (Japanese Orthopedic Association scale) by 35% over 4 weeks in chronic low back pain patients. The warming effect of moxa on GV4 is believed to strengthen the body’s yang energy according to TCM theory.