It is in a small depression on the vastus medialis muscle, 3 cun superior to the upper medial border of the patella.
It is also 1 cun superior to Xuehai SP-10.
How to locate
The patient should be in a supine or preferably in a seated position, with their knee flexed.
Locate the upper medial border of the patella and, from there, measure 3 cun or 1 handsbreadth towards proximal. There, locate Baichongwo EX-LE-3 in a small depression on the vastus medialis muscle.