The ,,horizontal ,, Red Line

The distance between the inferior point of the pre sacral triangle and the upper point of the infra gluteal losange has to be as short as possible
In such case , it s easy to understand that for not increasing the distance between the inferior point of the pre sacral triangle and the upper point of the infra gluteal losange, we should
- never lift the gluteal area above the red line
1. The point of maximum projection
2. The horizontal line
Because
Tensors above the red line are all horizontal
Tensors below the red line are vertical or oblique towards up