This is a subject I keep coming back to in my mind and thinking even when I don’t write about it. On the physical side, it is the client who knows all the little things they do to avoid feeling pain from an injury that has become chronic, sitting in a particular chair, turning in one direction rather than another whenever possible, leading with one foot rather than another when climbing or descending stairs. (This may be different in each case.)
In the same way, the anxious client usually knows which situations they avoid and the things they say to themselves to get through difficult situations. The client with PTSD knows at least some of the likely triggers for them. They know which people to have around them to reduce the chances of being triggered and they usually though not always know what the initial event or events that led to the trauma is or are.
As a practitioner, it is my job to get as much of this information from the client as possible. This makes it less easier to come up with a clear formulation as to how to proceed. Some clients will happily strip off in front of me while others would be made too anxious and I would always leave the room. (My default position unless they start getting undressed before I have the chance to say I am leaving the room while they do so.
Some clients want a deep tissue massage to work out tensions in muscles whereas others need something which is much more nurturing in nature. and unless I can really empower them to find their internal expert, I won’t be able to choose the oils that are the best combination for them or do the best massage for them.