9 cun below Dubi ST-35, 3 cun below Shangjuxu ST-37, about one finger-breadth lateral to the anterior crest of the tibia.
How to locate
First locate Dubi ST-35 in the depression below the patella and lateral to the patellar ligament.
Then locate Jiexi ST-41 in the depression between the tendons of the extensor digitorum longus and the hallucis longus, level with the highest prominence of the lateral malleolus.
Draw an imaginary line between these two points and locate Tiaokou ST-38 in the midway and one finger-breadth lateral to the anterior crest of the tibia.
Xiajuxu ST-39 is in a depression 1 cun below ST-38.