This is the issue you may be seeing.
Regions for the modifications in Workflow have small dots (or nodes) surrounding the regions. You have the ability to move them, but on a rare occasion, you may notice a something like the picture above.
Pre Tib 1
Pre Tib 2
The reason is that these regions affected above are placed in the proper alignment based on landmarks.
Region: Distal Tib --> Landmark: Distal Tib
Regions Pre Tib 1 & 2 --> Landmark: Fib Head
Because these regions are associated with the landmarks as shown above, the work around for now is to move these landmarks proximal. See gif below:
This is a known issue and is being resolved.