Some Truths about bike fitting
We can't fit everyone into the same box. Some individuals will need to be “out of range” for some dynamic measurements due to each person’s unique biomechanical needs
Almost no one sits squarely on their saddle. And this is okay…usually.
Many times, bike fit changes that are successful are only made in very small increments
Saddle discomfort is rarely caused exclusively by the saddle itself
Best practice is to make modest changes with good data to back them up and then have the rider spend a few weeks settling to their new position before reassessing for further changes.
Any change at one area is going to affect the movement at all other areas of the body in a bike fit. For instance, changing grip or hand position can affect ankle or knee mechanics — and vice versa