Meaning of the name

Wei means "bend" or "flex", zhong means centre. It is behind the knee where the knee flexes, and the centre part of it.

Nature

He-Sea and Lower He-sea of UB channel

Ma Dan Yang's Heavenly star point.

Location

At the mid point of the transverse crease of the popliteal fossa, between the tendons of m.biceps femoris and m.semitendinosus.

Locate the point when the kee is a little flexed.

Needling

P 0.5-1.0 CUN
Prick

Functions

Benefits the lumber region and knees
Clears heat and cools blood
Removes obstructions from the channel.
Clears summer heat

Clinical applications

Lower back pain, sciatica, rheumatalgia of the lower extremities, abdominal pain, constraction of the calf muscle.

Summer heat syndromes: aversion to cold, ferver, thurst, sweating, headache, irritability, etc

Combinations with

UB-23,UB-26, GB-30, ST-36, Sp-6
For sciatica, paralysis of the lower extremities

DU-26
For pain of the lumber region and leg

Kid-7
pain of the lumber spine