[Location] Localized in the erect sitting position with the sole was put flatly. On the medial aspect of the foot, in the depression right below the tip of the medialmalleolus. (Fig.39)
 
[Regional Anatomy] Skin→Subcutaneous tissue→the tendon of tibialis posterior. Superficial layer, the medial crural cutaneous branch of the saphenous nerve, the subordiantial ramus of the greater saphenous vein; deep layer, the branches or the subordiantial ramus of the medial tarsal arteries and veins.