[Location] Localized in the supinate position with the legs extended or the erect sitting position with the knee flexed, on the legs' lateral, about 1 cun below Zusanli ( ST36 ). ( Fig. 109 )
 
[Regional Anatomy] Skin→subcutaneous tissue→anterior tibial muscle→crural interosseous membrane→musculus tibialis posterior. Superficial layer, the distribution of cutaneous surae laterialis nerve; deep layer, the distribution of the branches or the subordiantial ramus of the anterior tibial artery and vein.