Level and 1 cun posterior to Yangjiao (GB 35), and posterior to the border of the fibula.
Pain in the lateral aspect of leg, spasm of the m. gastrocnemius. Pain in the neck, chest, thigh and hypochondriac region, chills and fever that accompany rabies.
Remove obstruction from the channel, stops pain.
It is a Wood point.
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Perpendicularly 1.0-1.5 inches.