It is a line parallel to the motor area dorsally at a distance of 1.5 cm.

• Another way to locate: line parallel to the one between GV-20 and SI-18 but 2 cm behind GV-20.

It is also divided into 5 parts:

• First fifth (superior): sensitivity of the opposite lower limb and trunk. pain, paresthesia,... altered sensitivity.
• The second and third fifth: sensitivity of the opposite upper limb.
• Fourth and fifth (the lower ones): sensitivity of the face and head

Treats tingling and sensory disturbances.