“Fu” means lateral or attached; “fen” means a branch. The point is the first point on the 2nd line of the back, lateral and parallel to the 1st line of the meridian, hence the name Fufen (Attached Branch).
Three cun lateral to the lower border of the spinous process of the 2nd thoracic vertebra, about 4 finger-breadths from the posterior midline.
Stiffness and pain of the shoulder, back and neck.
Numbness of the elbow and arm.