Ponto Xi-FendaPonto Xi-Fenda do canal do FígadoSafeMembro Inferior
Depth
00.5–1 cun3.0
Transverse insertion
Precautions
The bone lies directly beneath.
📍 Location (classical)
7 cun above the prominence of the medial malleolus, immediately posterior to the medial border of the tibia, in the depression between the medial border of the tibia and the gastrocnemius muscle.
🧭 How to find it (practical)
Seated or in dorsal decubitus, locate the point 7 cun above the apex of the medial malleolus, alongside the medial margin of the tibia.
🔬 Anatomy
Directly over the medial surface of the tibia. Innervated by the saphenous nerve.
💉 Needling
0.5–1.0 cun vertically or obliquely in a posterior direction toward the fibula, or transversely (subcutaneously) in a proximal direction.
📜 Etymology
Zhong (中), middle; Du (都), confluence. The point is located halfway along the anteromedial surface of the leg.
