Name: Bai Hui
At the vertex on the mid-line, in the depression* 5 cun posterior to the anterior hairline and 7 cun superior to the posterior hairline. This point may also be measured as 8 cun posterior to the glabella and 6 cun superior to the external occipital protuberance.
* it is very important to note that this point is found in the depression posterior of (behind) the vertex and mid-line intersection. If you focus on the intersection as the point from being suspended, your spinal alignment shifts and your chin rises slightly.